7y+15=4y-3

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Solution for 7y+15=4y-3 equation: 



7y+15=4y-3

We move all terms to the left:

7y+15-(4y-3)=0

We get rid of parentheses

7y-4y+3+15=0

We add all the numbers together, and all the variables

3y+18=0

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

3y=-18

y=-18/3

y=-6

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