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39-8x=3-9x
We move all terms to the left:
39-8x-(3-9x)=0
We add all the numbers together, and all the variables
-8x-(-9x+3)+39=0
We get rid of parentheses
-8x+9x-3+39=0
We add all the numbers together, and all the variables
x+36=0
We move all terms containing x to the left, all other terms to the right
x=-36
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