6a-9=4-12a+5

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Solution for 6a-9=4-12a+5 equation: 



6a-9=4-12a+5

We move all terms to the left:

6a-9-(4-12a+5)=0

We add all the numbers together, and all the variables

6a-(-12a+9)-9=0

We get rid of parentheses

6a+12a-9-9=0

We add all the numbers together, and all the variables

18a-18=0

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

18a=18

a=18/18

a=1

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