3(-x-1)-7=-8x-40

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Solution for 3(-x-1)-7=-8x-40 equation: 



3(-x-1)-7=-8x-40

We move all terms to the left:

3(-x-1)-7-(-8x-40)=0

We add all the numbers together, and all the variables

3(-1x-1)-(-8x-40)-7=0

We multiply parentheses

-3x-(-8x-40)-3-7=0

We get rid of parentheses

-3x+8x+40-3-7=0

We add all the numbers together, and all the variables

5x+30=0

We move all terms containing x to the left, all other terms to the right

5x=-30

x=-30/5

x=-6

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