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

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



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

We move all terms to the left:

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



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

5(x-5)-7x

We add all the numbers together, and all the variables

-7x+5(x-5)

We multiply parentheses

-7x+5x-25

We add all the numbers together, and all the variables

-2x-25

Back to the equation:

-(-2x-25)



We get rid of parentheses

2x+25-7=0

We add all the numbers together, and all the variables

2x+18=0

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

2x=-18

x=-18/2

x=-9

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