7y+2y-1=8y+3

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Solution for 7y+2y-1=8y+3 equation: 



7y+2y-1=8y+3

We move all terms to the left:

7y+2y-1-(8y+3)=0

We add all the numbers together, and all the variables

9y-(8y+3)-1=0

We get rid of parentheses

9y-8y-3-1=0

We add all the numbers together, and all the variables

y-4=0

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

y=4

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