-142=4x+7(-x-16)

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Solution for -142=4x+7(-x-16) equation: 



-142=4x+7(-x-16)

We move all terms to the left:

-142-(4x+7(-x-16))=0

We add all the numbers together, and all the variables

-(4x+7(-1x-16))-142=0



We calculate terms in parentheses: -(4x+7(-1x-16)), so:

4x+7(-1x-16)

We multiply parentheses

4x-7x-112

We add all the numbers together, and all the variables

-3x-112

Back to the equation:

-(-3x-112)



We get rid of parentheses

3x+112-142=0

We add all the numbers together, and all the variables

3x-30=0

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

3x=30

x=30/3

x=10

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