8-5a=12-9a

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Solution for 8-5a=12-9a equation: 



8-5a=12-9a

We move all terms to the left:

8-5a-(12-9a)=0

We add all the numbers together, and all the variables

-5a-(-9a+12)+8=0

We get rid of parentheses

-5a+9a-12+8=0

We add all the numbers together, and all the variables

4a-4=0

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

4a=4

a=4/4

a=1

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