1=1a-4-2

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



1=1a-4-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(a-6)+1=0

We get rid of parentheses

-a+6+1=0

We add all the numbers together, and all the variables

-1a+7=0

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

-a=-7

a=-7/-1

a=+7

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