7x-72=4x-12

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Solution for 7x-72=4x-12 equation: 



7x-72=4x-12

We move all terms to the left:

7x-72-(4x-12)=0

We get rid of parentheses

7x-4x+12-72=0

We add all the numbers together, and all the variables

3x-60=0

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

3x=60

x=60/3

x=20

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