8y+4y=15-9

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Solution for 8y+4y=15-9 equation: 



8y+4y=15-9

We move all terms to the left:

8y+4y-(15-9)=0

We add all the numbers together, and all the variables

8y+4y-6=0

We add all the numbers together, and all the variables

12y-6=0

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

12y=6

y=6/12

y=1/2

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