3=a+(a-2)

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Solution for 3=a+(a-2) equation: 



3=a+(a-2)

We move all terms to the left:

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



We calculate terms in parentheses: -(a+(a-2)), so:

a+(a-2)

We get rid of parentheses

a+a-2

We add all the numbers together, and all the variables

2a-2

Back to the equation:

-(2a-2)



We get rid of parentheses

-2a+2+3=0

We add all the numbers together, and all the variables

-2a+5=0

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

-2a=-5

a=-5/-2

a=2+1/2

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