6x-42=30

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Solution for 6x-42=30 equation: 



6x-42=30

We move all terms to the left:

6x-42-(30)=0

We add all the numbers together, and all the variables

6x-72=0

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

6x=72

x=72/6

x=12

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