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2(x+)10=12
We move all terms to the left:
2(x+)10-(12)=0
We add all the numbers together, and all the variables
2(+x)10-12=0
We multiply parentheses
20x-12=0
We move all terms containing x to the left, all other terms to the right
20x=12
x=12/20
x=3/5
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