3(x+2x+9)=18

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Solution for 3(x+2x+9)=18 equation: 



3(x+2x+9)=18

We move all terms to the left:

3(x+2x+9)-(18)=0

We add all the numbers together, and all the variables

3(3x+9)-18=0

We multiply parentheses

9x+27-18=0

We add all the numbers together, and all the variables

9x+9=0

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

9x=-9

x=-9/9

x=-1

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