0.3(n-15)=0.4-0.2n

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Solution for 0.3(n-15)=0.4-0.2n equation: 



0.3(n-15)=0.4-0.2n

We move all terms to the left:

0.3(n-15)-(0.4-0.2n)=0

We add all the numbers together, and all the variables

0.3(n-15)-(-0.2n+0.4)=0

We multiply parentheses

0.3n-(-0.2n+0.4)-4.5=0

We get rid of parentheses

0.3n+0.2n-0.4-4.5=0

We add all the numbers together, and all the variables

0.5n-4.9=0

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

0.5n=4.9

n=4.9/0.5

n=9+0.4/0.5

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