0.7+0.8n=21

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Solution for 0.7+0.8n=21 equation: 



0.7+0.8n=21

We move all terms to the left:

0.7+0.8n-(21)=0

We add all the numbers together, and all the variables

0.8n-20.3=0

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

0.8n=20.3

n=20.3/0.8

n=25+0.3/0.8

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