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13x+2=4x+30
We move all terms to the left:
13x+2-(4x+30)=0
We get rid of parentheses
13x-4x-30+2=0
We add all the numbers together, and all the variables
9x-28=0
We move all terms containing x to the left, all other terms to the right
9x=28
x=28/9
x=3+1/9
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