7x-3(2x+1)=9

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Solution for 7x-3(2x+1)=9 equation: 



7x-3(2x+1)=9

We move all terms to the left:

7x-3(2x+1)-(9)=0

We multiply parentheses

7x-6x-3-9=0

We add all the numbers together, and all the variables

x-12=0

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

x=12

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