-122=7x-4(8x-7)

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Solution for -122=7x-4(8x-7) equation: 



-122=7x-4(8x-7)

We move all terms to the left:

-122-(7x-4(8x-7))=0



We calculate terms in parentheses: -(7x-4(8x-7)), so:

7x-4(8x-7)

We multiply parentheses

7x-32x+28

We add all the numbers together, and all the variables

-25x+28

Back to the equation:

-(-25x+28)



We get rid of parentheses

25x-28-122=0

We add all the numbers together, and all the variables

25x-150=0

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

25x=150

x=150/25

x=6

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