a+3a+a=4a-1

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Solution for a+3a+a=4a-1 equation: 



a+3a+a=4a-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

5a-(4a-1)=0

We get rid of parentheses

5a-4a+1=0

We add all the numbers together, and all the variables

a+1=0

We move all terms containing a to the left, all other terms to the right

a=-1

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