3(x+1)+9=3(x+1+9x)

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Solution for 3(x+1)+9=3(x+1+9x) equation: 



3(x+1)+9=3(x+1+9x)

We move all terms to the left:

3(x+1)+9-(3(x+1+9x))=0

We add all the numbers together, and all the variables

3(x+1)-(3(10x+1))+9=0

We multiply parentheses

3x-(3(10x+1))+3+9=0



We calculate terms in parentheses: -(3(10x+1)), so:

3(10x+1)

We multiply parentheses

30x+3

Back to the equation:

-(30x+3)



We add all the numbers together, and all the variables

3x-(30x+3)+12=0

We get rid of parentheses

3x-30x-3+12=0

We add all the numbers together, and all the variables

-27x+9=0

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

-27x=-9

x=-9/-27

x=1/3

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