.4n+1.5=8.7

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Solution for .4n+1.5=8.7 equation: 



.4n+1.5=8.7

We move all terms to the left:

.4n+1.5-(8.7)=0

We add all the numbers together, and all the variables

.4n-7.2=0

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

.4n=7.2

n=7.2/.4

n=18

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