75=2(3n-1)+5n

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Solution for 75=2(3n-1)+5n equation: 



75=2(3n-1)+5n

We move all terms to the left:

75-(2(3n-1)+5n)=0



We calculate terms in parentheses: -(2(3n-1)+5n), so:

2(3n-1)+5n

We add all the numbers together, and all the variables

5n+2(3n-1)

We multiply parentheses

5n+6n-2

We add all the numbers together, and all the variables

11n-2

Back to the equation:

-(11n-2)



We get rid of parentheses

-11n+2+75=0

We add all the numbers together, and all the variables

-11n+77=0

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

-11n=-77

n=-77/-11

n=+7

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