12-19=8a+5

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Solution for 12-19=8a+5 equation: 



12-19=8a+5

We move all terms to the left:

12-19-(8a+5)=0

We add all the numbers together, and all the variables

-(8a+5)-7=0

We get rid of parentheses

-8a-5-7=0

We add all the numbers together, and all the variables

-8a-12=0

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

-8a=12

a=12/-8

a=-1+1/2

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