7(3a+12)-21a=80

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Solution for 7(3a+12)-21a=80 equation:



7(3a+12)-21a=80
We move all terms to the left:
7(3a+12)-21a-(80)=0
We add all the numbers together, and all the variables
-21a+7(3a+12)-80=0
We multiply parentheses
-21a+21a+84-80=0
We add all the numbers together, and all the variables
4!=0
There is no solution for this equation

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