-1=(3+x)/12

Solution for -1=(3+x)/12 equation:

-1=(3+x)/12

We move all terms to the left:

-1-((3+x)/12)=0

We add all the numbers together, and all the variables

-((x+3)/12)-1=0

We multiply all the terms by the denominator


-((x+3)-1*12)=0


We calculate terms in parentheses: -((x+3)-1*12), so:

(x+3)-1*12

We add all the numbers together, and all the variables

(x+3)-12

We get rid of parentheses

x+3-12

We add all the numbers together, and all the variables

x-9

Back to the equation:

-(x-9)


We get rid of parentheses

-x+9=0

We add all the numbers together, and all the variables

-1x+9=0

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

-x=-9

x=-9/-1

x=+9