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20=8-5x
We move all terms to the left:
20-(8-5x)=0
We add all the numbers together, and all the variables
-(-5x+8)+20=0
We get rid of parentheses
5x-8+20=0
We add all the numbers together, and all the variables
5x+12=0
We move all terms containing x to the left, all other terms to the right
5x=-12
x=-12/5
x=-2+2/5
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