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84=8+20x
We move all terms to the left:
84-(8+20x)=0
We add all the numbers together, and all the variables
-(20x+8)+84=0
We get rid of parentheses
-20x-8+84=0
We add all the numbers together, and all the variables
-20x+76=0
We move all terms containing x to the left, all other terms to the right
-20x=-76
x=-76/-20
x=3+4/5
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