7=(x-42)/12

Solution for 7=(x-42)/12 equation:

7=(x-42)/12

We move all terms to the left:

7-((x-42)/12)=0

We multiply all the terms by the denominator


-((x-42)+7*12)=0


We calculate terms in parentheses: -((x-42)+7*12), so:

(x-42)+7*12

We add all the numbers together, and all the variables

(x-42)+84

We get rid of parentheses

x-42+84

We add all the numbers together, and all the variables

x+42

Back to the equation:

-(x+42)


We get rid of parentheses

-x-42=0

We add all the numbers together, and all the variables

-1x-42=0

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

-x=42

x=42/-1

x=-42