Question

What is the solution to this equation?
x- 12 = 9

Answer 1

`\huge \boxed{x=21}`

Explanation:

`\Huge\textnormal{Add 12 from both sides of the equation.}`

`\displaystyle x-12+12=9+12`

`\Huge \textnormal{Simplify and solve to find the answer.}`

`\displaystyle 9+12=21`

`\huge \boxed{x=21}`, which is our answer.

Answer 2

x = 21

Explanation:

x- 12 = 9

Add 12 to each side

x- 12+12 = 9+12

x = 21