-12=(2n+5)-18

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Solution for -12=(2n+5)-18 equation: 



-12=(2n+5)-18

We move all terms to the left:

-12-((2n+5)-18)=0



We calculate terms in parentheses: -((2n+5)-18), so:

(2n+5)-18

We get rid of parentheses

2n+5-18

We add all the numbers together, and all the variables

2n-13

Back to the equation:

-(2n-13)



We get rid of parentheses

-2n+13-12=0

We add all the numbers together, and all the variables

-2n+1=0

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

-2n=-1

n=-1/-2

n=1/2

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