3(7-4a)+7a+5a=9

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Solution for 3(7-4a)+7a+5a=9 equation: 



3(7-4a)+7a+5a=9

We move all terms to the left:

3(7-4a)+7a+5a-(9)=0

We add all the numbers together, and all the variables

3(-4a+7)+7a+5a-9=0

We add all the numbers together, and all the variables

12a+3(-4a+7)-9=0

We multiply parentheses

12a-12a+21-9=0

We add all the numbers together, and all the variables

12!=0

There is no solution for this equation

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