0.9=0.7+y

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Solution for 0.9=0.7+y equation: 



0.9=0.7+y

We move all terms to the left:

0.9-(0.7+y)=0

We add all the numbers together, and all the variables

-(y+0.7)+0.9=0

We get rid of parentheses

-y-0.7+0.9=0

We add all the numbers together, and all the variables

-1y+0.2=0

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

-y=-0.2

y=-0.2/-1

y=0.2/1

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