3x=9+2(3+4x)

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Solution for 3x=9+2(3+4x) equation: 



3x=9+2(3+4x)

We move all terms to the left:

3x-(9+2(3+4x))=0

We add all the numbers together, and all the variables

3x-(9+2(4x+3))=0



We calculate terms in parentheses: -(9+2(4x+3)), so:

9+2(4x+3)

determiningTheFunctionDomain
2(4x+3)+9

We multiply parentheses

8x+6+9

We add all the numbers together, and all the variables

8x+15

Back to the equation:

-(8x+15)



We get rid of parentheses

3x-8x-15=0

We add all the numbers together, and all the variables

-5x-15=0

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

-5x=15

x=15/-5

x=-3

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