21y+3(60+-7y)=180

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Solution for 21y+3(60+-7y)=180 equation: 



21y+3(60+-7y)=180

We move all terms to the left:

21y+3(60+-7y)-(180)=0

We add all the numbers together, and all the variables

21y+3(-7y)-180=0

We multiply parentheses

21y-21y-180=0

We add all the numbers together, and all the variables

-180!=0

There is no solution for this equation

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