-7=2(x+4)-7x

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Solution for -7=2(x+4)-7x equation: 



-7=2(x+4)-7x

We move all terms to the left:

-7-(2(x+4)-7x)=0



We calculate terms in parentheses: -(2(x+4)-7x), so:

2(x+4)-7x

We add all the numbers together, and all the variables

-7x+2(x+4)

We multiply parentheses

-7x+2x+8

We add all the numbers together, and all the variables

-5x+8

Back to the equation:

-(-5x+8)



We get rid of parentheses

5x-8-7=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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