3.5-(n+21)-4n=-45

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Solution for 3.5-(n+21)-4n=-45 equation: 



3.5-(n+21)-4n=-45

We move all terms to the left:

3.5-(n+21)-4n-(-45)=0

We add all the numbers together, and all the variables

-4n-(n+21)+48.5=0

We get rid of parentheses

-4n-n-21+48.5=0

We add all the numbers together, and all the variables

-5n+27.5=0

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

-5n=-27.5

n=-27.5/-5

n=5+2.5/5

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