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-18=20-10y
We move all terms to the left:
-18-(20-10y)=0
We add all the numbers together, and all the variables
-(-10y+20)-18=0
We get rid of parentheses
10y-20-18=0
We add all the numbers together, and all the variables
10y-38=0
We move all terms containing y to the left, all other terms to the right
10y=38
y=38/10
y=3+4/5
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