7x-9-12=3x-23

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Solution for 7x-9-12=3x-23 equation: 



7x-9-12=3x-23

We move all terms to the left:

7x-9-12-(3x-23)=0

We add all the numbers together, and all the variables

7x-(3x-23)-21=0

We get rid of parentheses

7x-3x+23-21=0

We add all the numbers together, and all the variables

4x+2=0

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

4x=-2

x=-2/4

x=-1/2

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