7y-12y=45

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Solution for 7y-12y=45 equation: 



7y-12y=45

We move all terms to the left:

7y-12y-(45)=0

We add all the numbers together, and all the variables

-5y-45=0

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

-5y=45

y=45/-5

y=-9

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