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13(x-3)=49
We move all terms to the left:
13(x-3)-(49)=0
We multiply parentheses
13x-39-49=0
We add all the numbers together, and all the variables
13x-88=0
We move all terms containing x to the left, all other terms to the right
13x=88
x=88/13
x=6+10/13
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