42x-3=30x

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Solution for 42x-3=30x equation: 



42x-3=30x

We move all terms to the left:

42x-3-(30x)=0

We add all the numbers together, and all the variables

12x-3=0

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

12x=3

x=3/12

x=1/4

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