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28-0.3y=0.7y=12
We move all terms to the left:
28-0.3y-(0.7y)=0
We add all the numbers together, and all the variables
-0.3y-(+0.7y)+28=0
We get rid of parentheses
-0.3y-0.7y+28=0
We add all the numbers together, and all the variables
-1y+28=0
We move all terms containing y to the left, all other terms to the right
-y=-28
y=-28/-1
y=+28
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