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81(1-3x)=-88
We move all terms to the left:
81(1-3x)-(-88)=0
We add all the numbers together, and all the variables
81(-3x+1)-(-88)=0
We add all the numbers together, and all the variables
81(-3x+1)+88=0
We multiply parentheses
-243x+81+88=0
We add all the numbers together, and all the variables
-243x+169=0
We move all terms containing x to the left, all other terms to the right
-243x=-169
x=-169/-243
x=169/243
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