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x=8x-45
We move all terms to the left:
x-(8x-45)=0
We get rid of parentheses
x-8x+45=0
We add all the numbers together, and all the variables
-7x+45=0
We move all terms containing x to the left, all other terms to the right
-7x=-45
x=-45/-7
x=6+3/7
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