4y+21=5.y=

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Solution for 4y+21=5.y= equation: 



4y+21=5.y=

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

4y-5.y+21=0

We add all the numbers together, and all the variables

-1y+21=0

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

-y=-21

y=-21/-1

y=+21

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