7(0.3n-2)=4n-0.4(15n-67.5)

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Solution for 7(0.3n-2)=4n-0.4(15n-67.5) equation: 



7(0.3n-2)=4n-0.4(15n-67.5)

We move all terms to the left:

7(0.3n-2)-(4n-0.4(15n-67.5))=0

We multiply parentheses

0n-(4n-0.4(15n-67.5))-14=0



We calculate terms in parentheses: -(4n-0.4(15n-67.5)), so:

4n-0.4(15n-67.5)

We multiply parentheses

4n-6n+27

We add all the numbers together, and all the variables

-2n+27

Back to the equation:

-(-2n+27)



We add all the numbers together, and all the variables

n-(-2n+27)-14=0

We get rid of parentheses

n+2n-27-14=0

We add all the numbers together, and all the variables

3n-41=0

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

3n=41

n=41/3

n=13+2/3

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