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8x+30=2x-55
We move all terms to the left:
8x+30-(2x-55)=0
We get rid of parentheses
8x-2x+55+30=0
We add all the numbers together, and all the variables
6x+85=0
We move all terms containing x to the left, all other terms to the right
6x=-85
x=-85/6
x=-14+1/6
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