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2.8=5.3+y
We move all terms to the left:
2.8-(5.3+y)=0
We add all the numbers together, and all the variables
-(y+5.3)+2.8=0
We get rid of parentheses
-y-5.3+2.8=0
We add all the numbers together, and all the variables
-1y-2.5=0
We move all terms containing y to the left, all other terms to the right
-y=2.5
y=2.5/-1
y=-2+0.5/1
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