3a-(1-4a)=20+7a

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Solution for 3a-(1-4a)=20+7a equation: 



3a-(1-4a)=20+7a

We move all terms to the left:

3a-(1-4a)-(20+7a)=0

We add all the numbers together, and all the variables

3a-(-4a+1)-(7a+20)=0

We get rid of parentheses

3a+4a-7a-1-20=0

We add all the numbers together, and all the variables

-21!=0

There is no solution for this equation

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