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7=7(2x-3)-7
We move all terms to the left:
7-(7(2x-3)-7)=0
We calculate terms in parentheses: -(7(2x-3)-7), so:We get rid of parentheses
7(2x-3)-7
We multiply parentheses
14x-21-7
We add all the numbers together, and all the variables
14x-28
Back to the equation:
-(14x-28)
-14x+28+7=0
We add all the numbers together, and all the variables
-14x+35=0
We move all terms containing x to the left, all other terms to the right
-14x=-35
x=-35/-14
x=2+1/2
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