4-7y=9-8y

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Solution for 4-7y=9-8y equation: 



4-7y=9-8y

We move all terms to the left:

4-7y-(9-8y)=0

We add all the numbers together, and all the variables

-7y-(-8y+9)+4=0

We get rid of parentheses

-7y+8y-9+4=0

We add all the numbers together, and all the variables

y-5=0

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

y=5

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