7y-13+4y=77

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Solution for 7y-13+4y=77 equation: 



7y-13+4y=77

We move all terms to the left:

7y-13+4y-(77)=0

We add all the numbers together, and all the variables

11y-90=0

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

11y=90

y=90/11

y=8+2/11

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