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3=-2x+54
We move all terms to the left:
3-(-2x+54)=0
We get rid of parentheses
2x-54+3=0
We add all the numbers together, and all the variables
2x-51=0
We move all terms containing x to the left, all other terms to the right
2x=51
x=51/2
x=25+1/2
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