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13=x+2/5
We move all terms to the left:
13-(x+2/5)=0
We add all the numbers together, and all the variables
-(+x+2/5)+13=0
We get rid of parentheses
-x+13-2/5=0
We multiply all the terms by the denominator
-x*5-2+13*5=0
We add all the numbers together, and all the variables
-x*5+63=0
Wy multiply elements
-5x+63=0
We move all terms containing x to the left, all other terms to the right
-5x=-63
x=-63/-5
x=12+3/5
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