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.
No one can tell you the answer to this. You need to provide us with a equation which we can solve.
Answer:
Is it C. 20/29
Step-by-step explanation:
because 20 and 29 are right next to it.
A. Yes
B. Yes
C. No; bc a negative divided by a positive equals a negative. and if you were to turn -7/12, it would be -583 with the 3 repeating
