40=9+4y

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Solution for 40=9+4y equation: 



40=9+4y

We move all terms to the left:

40-(9+4y)=0

We add all the numbers together, and all the variables

-(4y+9)+40=0

We get rid of parentheses

-4y-9+40=0

We add all the numbers together, and all the variables

-4y+31=0

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

-4y=-31

y=-31/-4

y=7+3/4

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