21y-7y+5=75

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Solution for 21y-7y+5=75 equation: 



21y-7y+5=75

We move all terms to the left:

21y-7y+5-(75)=0

We add all the numbers together, and all the variables

14y-70=0

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

14y=70

y=70/14

y=5

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