5+y+y=9

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Solution for 5+y+y=9 equation: 



5+y+y=9

We move all terms to the left:

5+y+y-(9)=0

We add all the numbers together, and all the variables

2y-4=0

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

2y=4

y=4/2

y=2

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