7y+5y=9

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Solution for 7y+5y=9 equation: 



7y+5y=9

We move all terms to the left:

7y+5y-(9)=0

We add all the numbers together, and all the variables

12y-9=0

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

12y=9

y=9/12

y=3/4

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