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2/5=13-y=9
We move all terms to the left:
2/5-(13-y)=0
We add all the numbers together, and all the variables
-(-1y+13)+2/5=0
We get rid of parentheses
1y-13+2/5=0
We multiply all the terms by the denominator
1y*5+2-13*5=0
We add all the numbers together, and all the variables
1y*5-63=0
Wy multiply elements
5y-63=0
We move all terms containing y to the left, all other terms to the right
5y=63
y=63/5
y=12+3/5
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