(7x)-2(x+3)=9

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Solution for (7x)-2(x+3)=9 equation: 



(7x)-2(x+3)=9

We move all terms to the left:

(7x)-2(x+3)-(9)=0

We multiply parentheses

7x-2x-6-9=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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