I’m thinking your r in the first equation is actually an x.
X + 2(2x -4) =10
X +4x -8 =10
5x = 18
Answer:
23
hope it helped you!!
BTW, angle 1 + angle 2 = 180
Answer:
5
Step-by-step explanation:
Y=3/1x+-1 hope this is correct
Answer:
190 games
Step-by-step explanation:
²⁰C₂ = 20!/[(20 - 2)! * 2!] = 190
