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-1.49=2.1+y/8
We move all terms to the left:
-1.49-(2.1+y/8)=0
We add all the numbers together, and all the variables
-(y/8+2.1)-1.49=0
We get rid of parentheses
-y/8-2.1-1.49=0
We multiply all the terms by the denominator
-y-(2.1)*8-(1.49)*8=0
We add all the numbers together, and all the variables
-1y-28.72=0
We move all terms containing y to the left, all other terms to the right
-y=28.72
y=28.72/-1
y=-28+0.72/1
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