18-a=-5a

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Solution for 18-a=-5a equation: 



18-a=-5a

We move all terms to the left:

18-a-(-5a)=0

We add all the numbers together, and all the variables

-1a-(-5a)+18=0

We get rid of parentheses

-1a+5a+18=0

We add all the numbers together, and all the variables

4a+18=0

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

4a=-18

a=-18/4

a=-4+1/2

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