Question

Solve for x
-18x+21>-15 or 20x-13>27

Answer 1

all value of x are equal

Explanation:

Answer 2

All numbers between -2 and 2, not touching -2 or 2

Explanation:

-18x+21>-15 simplifies to -18x > 36, which in turn becomes 18x < -36, or

x < -2.

20x-13>27 simplifies to 20x > 40, or x > 2.

Then the solution set is

(-2, 2): All numbers between -2 and 2, not touching -2 or 2.