7=27-4y

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Solution for 7=27-4y equation: 



7=27-4y

We move all terms to the left:

7-(27-4y)=0

We add all the numbers together, and all the variables

-(-4y+27)+7=0

We get rid of parentheses

4y-27+7=0

We add all the numbers together, and all the variables

4y-20=0

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

4y=20

y=20/4

y=5

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