4-a=2a-12

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Solution for 4-a=2a-12 equation: 



4-a=2a-12

We move all terms to the left:

4-a-(2a-12)=0

We add all the numbers together, and all the variables

-1a-(2a-12)+4=0

We get rid of parentheses

-1a-2a+12+4=0

We add all the numbers together, and all the variables

-3a+16=0

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

-3a=-16

a=-16/-3

a=5+1/3

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