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7+2x=3.5(2)+x
We move all terms to the left:
7+2x-(3.5(2)+x)=0
We add all the numbers together, and all the variables
2x-(x+3.52)+7=0
We get rid of parentheses
2x-x-3.52+7=0
We add all the numbers together, and all the variables
x+3.48=0
We move all terms containing x to the left, all other terms to the right
x=-3.48
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