solving a compound inequality?

1 ⤊

Solve the following compound inequality and express the answer in interval notation. 5x < 20 and -3x < 12 No spaces please!

2007-06-27 11:01:56 · 3 answers · asked by how's it going 1 in Science & Mathematics ➔ Mathematics

so
5x < 20 => x < 4
-3x < 12 => x > -4

and
-4 < x < 4
interval notation:
(-4,4)

2007-06-27 11:07:57 · answer #1 · answered by tfloto 6 · 0⤊ 0⤋

5x < 20 and -3x < 12
x<4 and x > -4
-4 (-4,4)

2007-06-27 18:09:45 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋

(-4,4)

2007-06-27 18:05:36 · answer #3 · answered by balas i 2 · 1⤊ 0⤋