21.2=y+0.7

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Solution for 21.2=y+0.7 equation: 



21.2=y+0.7

We move all terms to the left:

21.2-(y+0.7)=0

We get rid of parentheses

-y-0.7+21.2=0

We add all the numbers together, and all the variables

-1y+20.5=0

We move all terms containing y to the left, all other terms to the right

-y=-20.5

y=-20.5/-1

y=20+0.5/1

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