answers:
4 units
3 units
7 units
12 units
Please answer fast!!!

Answer:
12 units
Step-by-step explanation:
3x - 5 + 2x + 1 + 4x = 23
9x - 4 = 23
9x = 27
x = 3
3x - 5 = 3(3) - 5 = 4
2x + 1 = 2(3) + 1 = 7
4x = 4(3) = 12
Answer: 12