n+3n+(3n-10)=74

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Solution for n+3n+(3n-10)=74 equation:



n+3n+(3n-10)=74
We move all terms to the left:
n+3n+(3n-10)-(74)=0
We add all the numbers together, and all the variables
4n+(3n-10)-74=0
We get rid of parentheses
4n+3n-10-74=0
We add all the numbers together, and all the variables
7n-84=0
We move all terms containing n to the left, all other terms to the right
7n=84
n=84/7
n=12

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