Giải phương tình sau:

Câu 1: $3(x + 2) + 2(x - 5) = 11$

Câu 2: $5(x + 3) + 4(x - 2) = 34$

Câu 3: $2(x + 6) + 3(x - 4) = 15$

Câu 4: $4(x + 1) + 5(x - 3) = 16$

Câu 5: $3(x + 4) + 6(x - 1) = 33$

Câu 6: $6(x + 2) + 2(x - 7) = 14$

Câu 7: $5(x + 5) + 3(x - 2) = 43$

Câu 8: $2(x + 7) + 4(x - 3) = 26$

Câu 9: $4(x + 3) + 3(x - 6) = 15$

Câu 10: $3(x + 6) + 5(x - 2) = 32$

Question

Giải phương tình sau:

Câu 1: $3(x + 2) + 2(x - 5) = 11$

Câu 2: $5(x + 3) + 4(x - 2) = 34$

Câu 3: $2(x + 6) + 3(x - 4) = 15$

Câu 4: $4(x + 1) + 5(x - 3) = 16$

Câu 5: $3(x + 4) + 6(x - 1) = 33$

Câu 6: $6(x + 2) + 2(x - 7) = 14$

Câu 7: $5(x + 5) + 3(x - 2) = 43$

Câu 8: $2(x + 7) + 4(x - 3) = 26$

Câu 9: $4(x + 3) + 3(x - 6) = 15$

Câu 10: $3(x + 6) + 5(x - 2) = 32$

Hurricane · Accepted Answer

{"userId":5385505,"userName":"ft. Hoàng"}

$$1.$$

$$3(x+2)+2(x-5)=11$$

$$\Rightarrow 3x+6+2x-10=11$$

$$\Rightarrow 5x=15$$

$$\Rightarrow x=3$$

$$2.$$

$$5(x+3)+4(x-2)=34$$

$$\Rightarrow 5x+15+4x-8=34$$

$$\Rightarrow 9x=27$$

$$\Rightarrow x=3$$

$$3.$$

$$2(x+6)+3(x-4)=15$$

$$\Rightarrow 2x+12+3x-12=15$$

$$\Rightarrow 5x=15$$

$$\Rightarrow x=3$$

$$4.$$

$$4(x+1)+5(x-3)=16$$

$$\Rightarrow 4x+4+5x-15=16$$

$$\Rightarrow 9x=27$$

$$\Rightarrow x=3$$

$$5.$$

$$3(x+4)+6(x-1)=33$$

$$\Rightarrow 3x+12+6x-6=33$$

$$\Rightarrow 9x=27$$

$$\Rightarrow x=3$$

$$6.$$

$$6(x+2)+2(x-7)=14$$

$$\Rightarrow 6x+12+2x-14=14$$

$$\Rightarrow 8x=16$$

$$\Rightarrow x=2$$

$$7.$$

$$5(x+5)+3(x-2)=43$$

$$\Rightarrow 5x+25+3x-6=43$$

$$\Rightarrow 8x=24$$

$$\Rightarrow x=3$$

$$8.$$

$$2(x+7)+4(x-3)=26$$

$$\Rightarrow 2x+14+4x-12=26$$

$$\Rightarrow 6x=24$$

$$\Rightarrow x=4$$

$$9.$$

$$4(x+3)+3(x-6)=15$$

$$\Rightarrow 4x+12+3x-18=15$$

$$\Rightarrow 7x=21$$

$$\Rightarrow x=3$$

$$10.$$

$$3(x+6)+5(x-2)=32$$

$$\Rightarrow 3x+18+5x-10=32$$

$$\Rightarrow 8x=24$$

$$\Rightarrow x=3$$

Timi · Answer

Dưới đây là giải pháp cho từng câu hỏi:

**Câu 1:**
$$ 3(x + 2) + 2(x - 5) = 11 $$
Giải:
$$ 3x + 6 + 2x - 10 = 11 $$
$$ 5x - 4 = 11 $$
$$ 5x = 15 $$
$$ x = 3 $$

**Câu 2:**
$$ 5(x + 3) + 4(x - 2) = 34 $$
Giải:
$$ 5x + 15 + 4x - 8 = 34 $$
$$ 9x + 7 = 34 $$
$$ 9x = 27 $$
$$ x = 3 $$

**Câu 3:**
$$ 2(x + 6) + 3(x - 4) = 15 $$
Giải:
$$ 2x + 12 + 3x - 12 = 15 $$
$$ 5x = 15 $$
$$ x = 3 $$

**Câu 4:**
$$ 4(x + 1) + 5(x - 3) = 16 $$
Giải:
$$ 4x + 4 + 5x - 15 = 16 $$
$$ 9x - 11 = 16 $$
$$ 9x = 27 $$
$$ x = 3 $$

**Câu 5:**
$$ 3(x + 4) + 6(x - 1) = 33 $$
Giải:
$$ 3x + 12 + 6x - 6 = 33 $$
$$ 9x + 6 = 33 $$
$$ 9x = 27 $$
$$ x = 3 $$

**Câu 6:**
$$ 6(x + 2) + 2(x - 7) = 14 $$
Giải:
$$ 6x + 12 + 2x - 14 = 14 $$
$$ 8x - 2 = 14 $$
$$ 8x = 16 $$
$$ x = 2 $$

**Câu 7:**
$$ 5(x + 5) + 3(x - 2) = 43 $$
Giải:
$$ 5x + 25 + 3x - 6 = 43 $$
$$ 8x + 19 = 43 $$
$$ 8x = 24 $$
$$ x = 3 $$

**Câu 8:**
$$ 2(x + 7) + 4(x - 3) = 26 $$
Giải:
$$ 2x + 14 + 4x - 12 = 26 $$
$$ 6x + 2 = 26 $$
$$ 6x = 24 $$
$$ x = 4 $$

**Câu 9:**
$$ 4(x + 3) + 3(x - 6) = 15 $$
Giải:
$$ 4x + 12 + 3x - 18 = 15 $$
$$ 7x - 6 = 15 $$
$$ 7x = 21 $$
$$ x = 3 $$

**Câu 10:**
$$ 3(x + 6) + 5(x - 2) = 32 $$
Giải:
$$ 3x + 18 + 5x - 10 = 32 $$
$$ 8x + 8 = 32 $$
$$ 8x = 24 $$
$$ x = 3 $$

Tóm lại, kết quả cho các câu hỏi là:
- Câu 1: $ x = 3 $
- Câu 2: $ x = 3 $
- Câu 3: $ x = 3 $
- Câu 4: $ x = 3 $
- Câu 5: $ x = 3 $
- Câu 6: $ x = 2 $
- Câu 7: $ x = 3 $
- Câu 8: $ x = 4 $
- Câu 9: $ x = 3 $
- Câu 10: $ x = 3 $

Ninh Hoàng · Answer

{"userId":5385505,"userName":"ft. Hoàng"}

1.

$$3\left(x+2\right)+2\left(x-5\right)=11$$

$$3x+6+2x-10=11$$

$$5x-4=11$$

$$5x=15$$

$$x=3$$

Vậy $x=3$

2.

$$5\left(x+3\right)+4\left(x-2\right)=34$$

$$5x+15+4x-8=34$$

$$9x+7=34$$

$$9x=27$$

$$x=3$$

Vậy $x=3$

3.

$$2\left(x+6\right)+3\left(x-4\right)=15$$

$$2x+12+3x-12=15$$

$$5x=15$$

$$x=3$$

Vậy $x=3$

4.

$$4\left(x+1\right)+5\left(x-3\right)=16$$

$$4x+4+5x-15=16$$

$$9x-11=16$$

$$9x=27$$

$$x=3$$

Vậy $x=3$

5.

$$3\left(x+4\right)+6\left(x-1\right)=33$$

$$3x+12+6x-6=33$$

$$9x+6=33$$

$$9x=27$$

$$x=3$$

Vậy $x=3$

6.

$$6\left(x+2\right)+2\left(x-7\right)=14$$

$$6x+12+2x-14=14$$

$$8x-2=14$$

$$8x=16$$

$$x=2$$

Vậy $x=2$

7.

$$5\left(x+5\right)+3\left(x-2\right)=43$$

$$5x+25+3x-6=43$$

$$8x+19=43$$

$$8x=24$$

$$x=3$$

Vậy $x=3$

8.

$$2\left(x+7\right)+4\left(x-3\right)=26$$

$$2x+14+4x-12=26$$

$$6x+2=26$$

$$6x=24$$

$$x=4$$

Vậy $x=4$

9.

$$4\left(x+3\right)+3\left(x-6\right)=15$$

$$4x+12+3x-18=15$$

$$7x-6=15$$

$$7x=21$$

$$x=3$$

Vậy $x=3$

10.

$$3\left(x+6\right)+5\left(x-2\right)=32$$

$$3x+18+5x-10=32$$

$$8x+8=32$$

$$8x=24$$

$$x=3$$

Vậy $x=3$.

SILYMUKI · Answer

{"userId": 5385505, "userName": "ft. Hoàng "}

Lời giải thích chi tiết trong hình ảnh:

Giải phương tình sau: Câu 1: $3(x + 2) + 2(x - 5) = 11$ Câu 2: $5(x + 3) + 4(x - 2) = 34$ Câu 3: $2(x + 6) + 3(x - 4) = 15$ Câu 4: $4(x + 1) + 5(x - 3) = 16$ Câu 5: $3(x + 4) + 6(x - 1) = 33$ Câ...