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132+21x=86x+2
We move all terms to the left:
132+21x-(86x+2)=0
We get rid of parentheses
21x-86x-2+132=0
We add all the numbers together, and all the variables
-65x+130=0
We move all terms containing x to the left, all other terms to the right
-65x=-130
x=-130/-65
x=+2
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