42=2x+9

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Solution for 42=2x+9 equation: 



42=2x+9

We move all terms to the left:

42-(2x+9)=0

We get rid of parentheses

-2x-9+42=0

We add all the numbers together, and all the variables

-2x+33=0

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

-2x=-33

x=-33/-2

x=16+1/2

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