4x+3+6x=9-4x+12

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Solution for 4x+3+6x=9-4x+12 equation: 



4x+3+6x=9-4x+12

We move all terms to the left:

4x+3+6x-(9-4x+12)=0

We add all the numbers together, and all the variables

4x+6x-(-4x+21)+3=0

We add all the numbers together, and all the variables

10x-(-4x+21)+3=0

We get rid of parentheses

10x+4x-21+3=0

We add all the numbers together, and all the variables

14x-18=0

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

14x=18

x=18/14

x=1+2/7

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