4a-12=-3

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Solution for 4a-12=-3 equation: 



4a-12=-3

We move all terms to the left:

4a-12-(-3)=0

We add all the numbers together, and all the variables

4a-9=0

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

4a=9

a=9/4

a=2+1/4

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