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Leviafan [203]
4 years ago
9

15. 3(3 + 2) + 2(x + 1) = -5(x – 3)

Mathematics
1 answer:
Ksenya-84 [330]4 years ago
6 0

Answer:

x = -2/7

Step-by-step explanation:

3(3 + 2) + 2(x + 1) = -5(x – 3)

Combine like terms

3(3 + 2) + 2(x + 1) = -5(x – 3)

3(5) + 2(x + 1) = -5(x – 3)

15 + 2(x + 1) = -5(x – 3)

Distribute

15 +2x+2 = -5x +15

Combine like terms

2x+17 = -5x+15

Add 5x to each side

2x+5x +17 = -5x+5x +15

7x +17 = 15

Subtract 17 from each side

7x+17-17 = 15-17

7x = -2

Divide each side by 7

7x/7 = -2/7

x = -2/7

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