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13.56+7x=2(126.3436125+x)
We move all terms to the left:
13.56+7x-(2(126.3436125+x))=0
We add all the numbers together, and all the variables
7x-(2(x+126.3436125))+13.56=0
We calculate terms in parentheses: -(2(x+126.3436125)), so:We get rid of parentheses
2(x+126.3436125)
We multiply parentheses
2x+252.687225
Back to the equation:
-(2x+252.687225)
7x-2x-252.687225+13.56=0
We add all the numbers together, and all the variables
5x-239.127225=0
We move all terms containing x to the left, all other terms to the right
5x=239.127225
x=239.127225/5
x=47+3.66140300295/4.43567167158
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