0.4(n+200)=90

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Solution for 0.4(n+200)=90 equation: 



0.4(n+200)=90

We move all terms to the left:

0.4(n+200)-(90)=0

We multiply parentheses

0.4n+80-90=0

We add all the numbers together, and all the variables

0.4n-10=0

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

0.4n=10

n=10/0.4

n=25

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