3x+12+9=72

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Solution for 3x+12+9=72 equation:



3x+12+9=72
We move all terms to the left:
3x+12+9-(72)=0
We add all the numbers together, and all the variables
3x-51=0
We move all terms containing x to the left, all other terms to the right
3x=51
x=51/3
x=17

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