9x=12-3x=72

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Solution for 9x=12-3x=72 equation: 



9x=12-3x=72

We move all terms to the left:

9x-(12-3x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

9x+3x-12=0

We add all the numbers together, and all the variables

12x-12=0

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

12x=12

x=12/12

x=1

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