6x-42=9x-72

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Solution for 6x-42=9x-72 equation: 



6x-42=9x-72

We move all terms to the left:

6x-42-(9x-72)=0

We get rid of parentheses

6x-9x+72-42=0

We add all the numbers together, and all the variables

-3x+30=0

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

-3x=-30

x=-30/-3

x=+10

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