-315=-7(9-9x)

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Solution for -315=-7(9-9x) equation:



-315=-7(9-9x)
We move all terms to the left:
-315-(-7(9-9x))=0
We add all the numbers together, and all the variables
-(-7(-9x+9))-315=0
We calculate terms in parentheses: -(-7(-9x+9)), so:
-7(-9x+9)
We multiply parentheses
63x-63
Back to the equation:
-(63x-63)
We get rid of parentheses
-63x+63-315=0
We add all the numbers together, and all the variables
-63x-252=0
We move all terms containing x to the left, all other terms to the right
-63x=252
x=252/-63
x=-4

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