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7x=2x+56
We move all terms to the left:
7x-(2x+56)=0
We get rid of parentheses
7x-2x-56=0
We add all the numbers together, and all the variables
5x-56=0
We move all terms containing x to the left, all other terms to the right
5x=56
x=56/5
x=11+1/5
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