9x-42=7x-4

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Solution for 9x-42=7x-4 equation: 



9x-42=7x-4

We move all terms to the left:

9x-42-(7x-4)=0

We get rid of parentheses

9x-7x+4-42=0

We add all the numbers together, and all the variables

2x-38=0

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

2x=38

x=38/2

x=19

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