4=-1+n/2

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Solution for 4=-1+n/2 equation: 



4=-1+n/2

We move all terms to the left:

4-(-1+n/2)=0

We add all the numbers together, and all the variables

-(n/2-1)+4=0

We get rid of parentheses

-n/2+1+4=0

We multiply all the terms by the denominator


-n+1*2+4*2=0

We add all the numbers together, and all the variables

-1n+10=0

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

-n=-10

n=-10/-1

n=+10

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