3(9-7x)=12

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Solution for 3(9-7x)=12 equation: 



3(9-7x)=12

We move all terms to the left:

3(9-7x)-(12)=0

We add all the numbers together, and all the variables

3(-7x+9)-12=0

We multiply parentheses

-21x+27-12=0

We add all the numbers together, and all the variables

-21x+15=0

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

-21x=-15

x=-15/-21

x=5/7

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