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21/3+y=31/2
We move all terms to the left:
21/3+y-(31/2)=0
We add all the numbers together, and all the variables
y+21/3-(+31/2)=0
We add all the numbers together, and all the variables
y+7-(+31/2)=0
We get rid of parentheses
y+7-31/2=0
We multiply all the terms by the denominator
y*2-31+7*2=0
We add all the numbers together, and all the variables
y*2-17=0
Wy multiply elements
2y-17=0
We move all terms containing y to the left, all other terms to the right
2y=17
y=17/2
y=8+1/2
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