0.75n+5.7=21

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Solution for 0.75n+5.7=21 equation: 



0.75n+5.7=21

We move all terms to the left:

0.75n+5.7-(21)=0

We add all the numbers together, and all the variables

0.75n-15.3=0

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

0.75n=15.3

n=15.3/0.75

n=20+0.3/0.75

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