-145=5x-5(7x-7)

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Solution for -145=5x-5(7x-7) equation: 



-145=5x-5(7x-7)

We move all terms to the left:

-145-(5x-5(7x-7))=0



We calculate terms in parentheses: -(5x-5(7x-7)), so:

5x-5(7x-7)

We multiply parentheses

5x-35x+35

We add all the numbers together, and all the variables

-30x+35

Back to the equation:

-(-30x+35)



We get rid of parentheses

30x-35-145=0

We add all the numbers together, and all the variables

30x-180=0

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

30x=180

x=180/30

x=6

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