7y+3y=42

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Solution for 7y+3y=42 equation: 



7y+3y=42

We move all terms to the left:

7y+3y-(42)=0

We add all the numbers together, and all the variables

10y-42=0

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

10y=42

y=42/10

y=4+1/5

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