13. Solve and graph -21 < 3x - 12<6. Show your work.

Answer: -3,6 to graph it you would mark it at -3 intall you reach to 6
Step-by-step explanation: hope this helps
Answer:
Step-by-step explanation:
-21<3x-12 3x-12<6
-12 -12 +12 +12
-33<3x 3x<18
divide 3 divide 3 both sides
both sides x<6
-11<x
swap the < to >
x>-11