6a-5+9a=7-4a-12

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Solution for 6a-5+9a=7-4a-12 equation: 



6a-5+9a=7-4a-12

We move all terms to the left:

6a-5+9a-(7-4a-12)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

15a-(-4a-5)-5=0

We get rid of parentheses

15a+4a+5-5=0

We add all the numbers together, and all the variables

19a=0

a=0/19

a=0

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