42-9x=18-3x

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Solution for 42-9x=18-3x equation: 



42-9x=18-3x

We move all terms to the left:

42-9x-(18-3x)=0

We add all the numbers together, and all the variables

-9x-(-3x+18)+42=0

We get rid of parentheses

-9x+3x-18+42=0

We add all the numbers together, and all the variables

-6x+24=0

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

-6x=-24

x=-24/-6

x=+4

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