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144=7(7+x)
We move all terms to the left:
144-(7(7+x))=0
We add all the numbers together, and all the variables
-(7(x+7))+144=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+144=0
We add all the numbers together, and all the variables
-7x+95=0
We move all terms containing x to the left, all other terms to the right
-7x=-95
x=-95/-7
x=13+4/7
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