(9+x)*3=69

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Solution for (9+x)*3=69 equation: 



(9+x)*3=69

We move all terms to the left:

(9+x)*3-(69)=0

We add all the numbers together, and all the variables

(x+9)*3-69=0

We multiply parentheses

3x+27-69=0

We add all the numbers together, and all the variables

3x-42=0

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

3x=42

x=42/3

x=14

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