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14+13x/2=20x-21
We move all terms to the left:
14+13x/2-(20x-21)=0
We get rid of parentheses
13x/2-20x+21+14=0
We multiply all the terms by the denominator
13x-20x*2+21*2+14*2=0
We add all the numbers together, and all the variables
13x-20x*2+70=0
Wy multiply elements
13x-40x+70=0
We add all the numbers together, and all the variables
-27x+70=0
We move all terms containing x to the left, all other terms to the right
-27x=-70
x=-70/-27
x=2+16/27
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