9=9+4/12-x

Solution for 9=9+4/12-x equation:

9=9+4/12-x

We move all terms to the left:

9-(9+4/12-x)=0


Domain of the equation: 12-x)!=0

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

-x)!=-12

x!=-12/1

x!=-12

x∈R


We add all the numbers together, and all the variables

-(-1x+4/12+9)+9=0

We get rid of parentheses

1x-9+9-4/12=0

We multiply all the terms by the denominator


1x*12-4-9*12+9*12=0

We add all the numbers together, and all the variables

1x*12-4=0

Wy multiply elements

12x-4=0

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

12x=4

x=4/12

x=1/3