3(7+y)=5+4y

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Solution for 3(7+y)=5+4y equation: 



3(7+y)=5+4y

We move all terms to the left:

3(7+y)-(5+4y)=0

We add all the numbers together, and all the variables

3(y+7)-(4y+5)=0

We multiply parentheses

3y-(4y+5)+21=0

We get rid of parentheses

3y-4y-5+21=0

We add all the numbers together, and all the variables

-1y+16=0

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

-y=-16

y=-16/-1

y=+16

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