3(21+y)=180

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



3(21+y)=180
We move all terms to the left:
3(21+y)-(180)=0
We add all the numbers together, and all the variables
3(y+21)-180=0
We multiply parentheses
3y+63-180=0
We add all the numbers together, and all the variables
3y-117=0
We move all terms containing y to the left, all other terms to the right
3y=117
y=117/3
y=39

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