5/9n+7=12

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Solution for 5/9n+7=12 equation: 



5/9n+7=12

We move all terms to the left:

5/9n+7-(12)=0



Domain of the equation: 9n!=0

n!=0/9

n!=0

n∈R



We add all the numbers together, and all the variables

5/9n-5=0

We multiply all the terms by the denominator


-5*9n+5=0

Wy multiply elements

-45n+5=0

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

-45n=-5

n=-5/-45

n=1/9

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