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x/3-3=78
We move all terms to the left:
x/3-3-(78)=0
We add all the numbers together, and all the variables
x/3-81=0
We multiply all the terms by the denominator
x-81*3=0
We add all the numbers together, and all the variables
x-243=0
We move all terms containing x to the left, all other terms to the right
x=243
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