4x+12x-9=9

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



4x+12x-9=9
We move all terms to the left:
4x+12x-9-(9)=0
We add all the numbers together, and all the variables
16x-18=0
We move all terms containing x to the left, all other terms to the right
16x=18
x=18/16
x=1+1/8

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