3+9x=3(2x+12)+x

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Solution for 3+9x=3(2x+12)+x equation: 



3+9x=3(2x+12)+x

We move all terms to the left:

3+9x-(3(2x+12)+x)=0



We calculate terms in parentheses: -(3(2x+12)+x), so:

3(2x+12)+x

We add all the numbers together, and all the variables

x+3(2x+12)

We multiply parentheses

x+6x+36

We add all the numbers together, and all the variables

7x+36

Back to the equation:

-(7x+36)



We get rid of parentheses

9x-7x-36+3=0

We add all the numbers together, and all the variables

2x-33=0

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

2x=33

x=33/2

x=16+1/2

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