21y+25=180

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Solution for 21y+25=180 equation: 



21y+25=180

We move all terms to the left:

21y+25-(180)=0

We add all the numbers together, and all the variables

21y-155=0

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

21y=155

y=155/21

y=7+8/21

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