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13x-219=81-7-
We move all terms to the left:
13x-219-(81-7-)=0
We add all the numbers together, and all the variables
13x-219-0=0
We add all the numbers together, and all the variables
13x-219=0
We move all terms containing x to the left, all other terms to the right
13x=219
x=219/13
x=16+11/13
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