-15.9=-3.1+y/4

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Solution for -15.9=-3.1+y/4 equation: 



-15.9=-3.1+y/4

We move all terms to the left:

-15.9-(-3.1+y/4)=0

We add all the numbers together, and all the variables

-(y/4-3.1)-15.9=0

We get rid of parentheses

-y/4+3.1-15.9=0

We multiply all the terms by the denominator


-y+(3.1)*4-(15.9)*4=0

We add all the numbers together, and all the variables

-1y-51.2=0

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

-y=51.2

y=51.2/-1

y=-51+0.2/1

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