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49=7(x+7)
We move all terms to the left:
49-(7(x+7))=0
We calculate terms in parentheses: -(7(x+7)), so:We get rid of parentheses
7(x+7)
We multiply parentheses
7x+49
Back to the equation:
-(7x+49)
-7x-49+49=0
We add all the numbers together, and all the variables
-7x=0
x=0/-7
x=0
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