I hope that 2-1 means 21.
DE + EF = DF
4x + 10 + 21 = 9x - 15
4x + 31 = 9x - 15
31 = 9x - 4x - 15
31 = 5x - 15
46 = 5x
x = 9 1/5 = 9.2
You want 9x - 15
9*9.2 - 15
82.8 - 15
67.8 <<<<< answer.
If I have given the wrong meaning to 2-1 (which could mean 1) leave another note and I will correct my work.
Answer:
32
Step-by-step explanation:
Answer:
Less likely and more likely
Step-by-step explanation:
got it right on edge
y+2 = 3x
subtract 2 from each side
y = 3x-2
Step-by-step explanation:
x = 112°
y = z = 180° - 112° = 68°
