30=0.12n+18

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Solution for 30=0.12n+18 equation:



30=0.12n+18
We move all terms to the left:
30-(0.12n+18)=0
We get rid of parentheses
-0.12n-18+30=0
We add all the numbers together, and all the variables
-0.12n+12=0
We move all terms containing n to the left, all other terms to the right
-0.12n=-12
n=-12/-0.12
n=+100

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