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

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Solution for (2a)+(4-a)=1 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2a-1a+4-1=0

We add all the numbers together, and all the variables

a+3=0

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

a=-3

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