-7y+20=-20+1-4y

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Solution for -7y+20=-20+1-4y equation: 



-7y+20=-20+1-4y

We move all terms to the left:

-7y+20-(-20+1-4y)=0

We add all the numbers together, and all the variables

-7y-(-4y-19)+20=0

We get rid of parentheses

-7y+4y+19+20=0

We add all the numbers together, and all the variables

-3y+39=0

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

-3y=-39

y=-39/-3

y=+13

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