2-4a=a-2-1

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Solution for 2-4a=a-2-1 equation: 



2-4a=a-2-1

We move all terms to the left:

2-4a-(a-2-1)=0

We add all the numbers together, and all the variables

-4a-(a-3)+2=0

We get rid of parentheses

-4a-a+3+2=0

We add all the numbers together, and all the variables

-5a+5=0

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

-5a=-5

a=-5/-5

a=1

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