Question

What is the solution for -10 < x - 9?

A. x > -19
B. x < -19
C. x > -1
D. x < -1

Answer 1

`\LARGE \boxed{x>-1}`

Explanation:

First switch sides.

`\displaystyle x-9>10`

Add by 9 from both sides.

`\displaystyle x-9+9>-10+9`

Simplify, to find the answer.

`\displaystyle -10+9=-1`

`\LARGE \boxed{x>-1}`, which is our answer.

Answer 2

`- 10 < x - 9`
ANSWER

`x > - 1`