Ans given below
-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3
Answer:
The choose B. x = 7 , x = – 15
(x+4)-5=6
x +4-5=6 —> x=6-4+5 —> x= 7
– (x+4)-5=6 —> -x -4-5=6—> x = -4 -5 -6 —> x = – 15
I hope I helped you^_^
Answer: 3:14
Step-by-step explanation: there are 3 centers and if you add all the players you get 14