30y+-40=-12y

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Solution for 30y+-40=-12y equation: 



30y+-40=-12y

We move all terms to the left:

30y+-40-(-12y)=0

We add all the numbers together, and all the variables

30y-(-12y)=0

We get rid of parentheses

30y+12y=0

We add all the numbers together, and all the variables

42y=0

y=0/42

y=0

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