0.3-1.5=0.4-0.2n

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Solution for 0.3-1.5=0.4-0.2n equation: 



0.3-1.5=0.4-0.2n

We move all terms to the left:

0.3-1.5-(0.4-0.2n)=0

We add all the numbers together, and all the variables

-(-0.2n+0.4)+0.3-1.5=0

We add all the numbers together, and all the variables

-(-0.2n+0.4)-1.2=0

We get rid of parentheses

0.2n-0.4-1.2=0

We add all the numbers together, and all the variables

0.2n-1.6=0

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

0.2n=1.6

n=1.6/0.2

n=8

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