123=x+(9+x/2)

Solution for 123=x+(9+x/2) equation:

123=x+(9+x/2)

We move all terms to the left:

123-(x+(9+x/2))=0

We add all the numbers together, and all the variables

-(x+(x/2+9))+123=0

We multiply all the terms by the denominator


-(x+(x+123*2+9))=0


We calculate terms in parentheses: -(x+(x+123*2+9)), so:

x+(x+123*2+9)

We add all the numbers together, and all the variables

x+(x+255)

We get rid of parentheses

x+x+255

We add all the numbers together, and all the variables

2x+255

Back to the equation:

-(2x+255)


We get rid of parentheses

-2x-255=0

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

-2x=255

x=255/-2

x=-127+1/2