42+28=-3y-7y

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Solution for 42+28=-3y-7y equation: 



42+28=-3y-7y

We move all terms to the left:

42+28-(-3y-7y)=0

We add all the numbers together, and all the variables

-(-10y)+42+28=0

We add all the numbers together, and all the variables

-(-10y)+70=0

We get rid of parentheses

10y+70=0

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

10y=-70

y=-70/10

y=-7

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