90+31= 121
3x-1+121=120
3x+120=180
-120
3x=60
Divide by 3 on both sides
X=20
The answer is in the attachment
Answer:
6 units
Step-by-step explanation:
Distance between two points on the number lines, the difference between the absolute values.
I-8 I - I - 2I = 8 - 2 = 6
12 I think if I’m wrong sorry! If I’m right please mark my brainly
B is the answer because domain is x and range is y