-126=-9(x+7)

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Solution for -126=-9(x+7) equation:



-126=-9(x+7)
We move all terms to the left:
-126-(-9(x+7))=0
We calculate terms in parentheses: -(-9(x+7)), so:
-9(x+7)
We multiply parentheses
-9x-63
Back to the equation:
-(-9x-63)
We get rid of parentheses
9x+63-126=0
We add all the numbers together, and all the variables
9x-63=0
We move all terms containing x to the left, all other terms to the right
9x=63
x=63/9
x=7

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