42x-3=9

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Solution for 42x-3=9 equation: 



42x-3=9

We move all terms to the left:

42x-3-(9)=0

We add all the numbers together, and all the variables

42x-12=0

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

42x=12

x=12/42

x=2/7

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