78=5(5n+1)-2

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Solution for 78=5(5n+1)-2 equation: 



78=5(5n+1)-2

We move all terms to the left:

78-(5(5n+1)-2)=0



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

5(5n+1)-2

We multiply parentheses

25n+5-2

We add all the numbers together, and all the variables

25n+3

Back to the equation:

-(25n+3)



We get rid of parentheses

-25n-3+78=0

We add all the numbers together, and all the variables

-25n+75=0

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

-25n=-75

n=-75/-25

n=+3

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