7y-3y-15=38.40

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Solution for 7y-3y-15=38.40 equation: 



7y-3y-15=38.40

We move all terms to the left:

7y-3y-15-(38.40)=0

We add all the numbers together, and all the variables

7y-3y-15-(38.4)=0

We add all the numbers together, and all the variables

4y-53.4=0

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

4y=53.4

y=53.4/4

y=13+1/2.8571428571429

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