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13=4x+5+2x
We move all terms to the left:
13-(4x+5+2x)=0
We add all the numbers together, and all the variables
-(6x+5)+13=0
We get rid of parentheses
-6x-5+13=0
We add all the numbers together, and all the variables
-6x+8=0
We move all terms containing x to the left, all other terms to the right
-6x=-8
x=-8/-6
x=1+1/3
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