3=x/2+9

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Solution for 3=x/2+9 equation: 



3=x/2+9

We move all terms to the left:

3-(x/2+9)=0

We get rid of parentheses

-x/2-9+3=0

We multiply all the terms by the denominator


-x-9*2+3*2=0

We add all the numbers together, and all the variables

-1x-12=0

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

-x=12

x=12/-1

x=-12

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