12x+(-12)-(-9)x=18

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Solution for 12x+(-12)-(-9)x=18 equation: 



12x+(-12)-(-9)x=18

We move all terms to the left:

12x+(-12)-(-9)x-(18)=0

determiningTheFunctionDomain
12x-(-9)x-18+(-12)=0

We add all the numbers together, and all the variables

12x-(-9)x-30=0

We multiply parentheses

12x+9x-30=0

We add all the numbers together, and all the variables

21x-30=0

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

21x=30

x=30/21

x=1+3/7

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