-2(x-1)-7(1+x)=13

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Solution for -2(x-1)-7(1+x)=13 equation: 



-2(x-1)-7(1+x)=13

We move all terms to the left:

-2(x-1)-7(1+x)-(13)=0

We add all the numbers together, and all the variables

-2(x-1)-7(x+1)-13=0

We multiply parentheses

-2x-7x+2-7-13=0

We add all the numbers together, and all the variables

-9x-18=0

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

-9x=18

x=18/-9

x=-2

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