Question

Solve −13 < 2x − 7 < −9. Graph the solution.(1 point)

Answer 1

Solve: -13 < 2x - 7 < -9

Add 7 to all parts: -6 < 2x < -2
Divide by 2: -3 < x < -1

Solution: x ∈ (-3, -1)

Graph (number line):
... -4 -3 -2 -1 0
o――――――o
(open circles at -3 and -1, shaded between)