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-64+4x=15x+101
We move all terms to the left:
-64+4x-(15x+101)=0
We get rid of parentheses
4x-15x-101-64=0
We add all the numbers together, and all the variables
-11x-165=0
We move all terms containing x to the left, all other terms to the right
-11x=165
x=165/-11
x=-15
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