15y-138=(-8y)

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Solution for 15y-138=(-8y) equation: 



15y-138=(-8y)

We move all terms to the left:

15y-138-((-8y))=0



We calculate terms in parentheses: -((-8y)), so:

(-8y)

We get rid of parentheses

-8y

Back to the equation:

-(-8y)



We get rid of parentheses

15y+8y-138=0

We add all the numbers together, and all the variables

23y-138=0

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

23y=138

y=138/23

y=6

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