3(1-9)=2-(2a+4

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Solution for 3(1-9)=2-(2a+4 equation: 



3(1-9)=2-(2a+4

We move all terms to the left:

3(1-9)-(2-(2a+4)=0

We add all the numbers together, and all the variables

-(2-(2a+4)+3(-8)=0



We calculate terms in parentheses: -(2-(2a+4)+3(-8), so:

2-(2a+4)+3(-8

determiningTheFunctionDomain
-(2a+4)+2+3(-8

We add all the numbers together, and all the variables

-(2a+4)

We get rid of parentheses

-2a-4

Back to the equation:

-(-2a-4)



We get rid of parentheses

2a+4=0

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

2a=-4

a=-4/2

a=-2

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