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45=8x-7
We move all terms to the left:
45-(8x-7)=0
We get rid of parentheses
-8x+7+45=0
We add all the numbers together, and all the variables
-8x+52=0
We move all terms containing x to the left, all other terms to the right
-8x=-52
x=-52/-8
x=6+1/2
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