40=12.5+(n-1)0.5

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Solution for 40=12.5+(n-1)0.5 equation: 



40=12.5+(n-1)0.5

We move all terms to the left:

40-(12.5+(n-1)0.5)=0



We calculate terms in parentheses: -(12.5+(n-1)0.5), so:

12.5+(n-1)0.5

determiningTheFunctionDomain
(n-1)0.5+12.5

We multiply parentheses

0.5n-0.5+12.5

We add all the numbers together, and all the variables

0.5n+12

Back to the equation:

-(0.5n+12)



We get rid of parentheses

-0.5n-12+40=0

We add all the numbers together, and all the variables

-0.5n+28=0

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

-0.5n=-28

n=-28/-0.5

n=+56

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