4x-9=-3x-12

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Solution for 4x-9=-3x-12 equation: 



4x-9=-3x-12

We move all terms to the left:

4x-9-(-3x-12)=0

We get rid of parentheses

4x+3x+12-9=0

We add all the numbers together, and all the variables

7x+3=0

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

7x=-3

x=-3/7

x=-3/7

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