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2x-20=8x-38
We move all terms to the left:
2x-20-(8x-38)=0
We get rid of parentheses
2x-8x+38-20=0
We add all the numbers together, and all the variables
-6x+18=0
We move all terms containing x to the left, all other terms to the right
-6x=-18
x=-18/-6
x=+3
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