14.2=0.4(20n+7.8)

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Solution for 14.2=0.4(20n+7.8) equation: 



14.2=0.4(20n+7.8)

We move all terms to the left:

14.2-(0.4(20n+7.8))=0



We calculate terms in parentheses: -(0.4(20n+7.8)), so:

0.4(20n+7.8)

We multiply parentheses

8n+3.12

Back to the equation:

-(8n+3.12)



We get rid of parentheses

-8n-3.12+14.2=0

We add all the numbers together, and all the variables

-8n+11.08=0

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

-8n=-11.08

n=-11.08/-8

n=1+2.85185185185/7.40740740741

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