7x-4x-12=-3x+15

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Solution for 7x-4x-12=-3x+15 equation: 



7x-4x-12=-3x+15

We move all terms to the left:

7x-4x-12-(-3x+15)=0

We add all the numbers together, and all the variables

3x-(-3x+15)-12=0

We get rid of parentheses

3x+3x-15-12=0

We add all the numbers together, and all the variables

6x-27=0

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

6x=27

x=27/6

x=4+1/2

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