7+42*3^2-3a=14*3^-2a+7

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Solution for 7+42*3^2-3a=14*3^-2a+7 equation: 



7+42*3^2-3a=14*3^-2a+7

We move all terms to the left:

7+42*3^2-3a-(14*3^-2a+7)=0

We add all the numbers together, and all the variables

-3a-(14*3^-2a+7)+385=0

We get rid of parentheses

-3a+2a-7+385-14*3^=0

We add all the numbers together, and all the variables

-a=0

a=0/-1

a=0

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