3(n-90)=21

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Solution for 3(n-90)=21 equation:



3(n-90)=21
We move all terms to the left:
3(n-90)-(21)=0
We multiply parentheses
3n-270-21=0
We add all the numbers together, and all the variables
3n-291=0
We move all terms containing n to the left, all other terms to the right
3n=291
n=291/3
n=97

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