4y-5+4=7y+8

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Solution for 4y-5+4=7y+8 equation: 



4y-5+4=7y+8

We move all terms to the left:

4y-5+4-(7y+8)=0

We add all the numbers together, and all the variables

4y-(7y+8)-1=0

We get rid of parentheses

4y-7y-8-1=0

We add all the numbers together, and all the variables

-3y-9=0

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

-3y=9

y=9/-3

y=-3

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