9y-42=7y

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Solution for 9y-42=7y equation:



9y-42=7y
We move all terms to the left:
9y-42-(7y)=0
We add all the numbers together, and all the variables
2y-42=0
We move all terms containing y to the left, all other terms to the right
2y=42
y=42/2
y=21

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