-20y+20-y=-4y

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Solution for -20y+20-y=-4y equation: 



-20y+20-y=-4y

We move all terms to the left:

-20y+20-y-(-4y)=0

We add all the numbers together, and all the variables

-21y-(-4y)+20=0

We get rid of parentheses

-21y+4y+20=0

We add all the numbers together, and all the variables

-17y+20=0

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

-17y=-20

y=-20/-17

y=1+3/17

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