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7.12+12.3y=11.9y
We move all terms to the left:
7.12+12.3y-(11.9y)=0
We add all the numbers together, and all the variables
12.3y-(+11.9y)+7.12=0
We get rid of parentheses
12.3y-11.9y+7.12=0
We add all the numbers together, and all the variables
0.4y+7.12=0
We move all terms containing y to the left, all other terms to the right
0.4y=-7.12
y=-7.12/0.4
y=-17+0.32/0.4
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