3x+7(6x-18)=9

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Solution for 3x+7(6x-18)=9 equation: 



3x+7(6x-18)=9

We move all terms to the left:

3x+7(6x-18)-(9)=0

We multiply parentheses

3x+42x-126-9=0

We add all the numbers together, and all the variables

45x-135=0

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

45x=135

x=135/45

x=3

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