Respuesta :
Answer:
since 3r and r = 3 3 x 3 = 9 + 4.5
thats 13.5 since d is 5 13.5 - -5 if i remember correctly you turn 2 negative signs into a add sign so add those up which is 18.5 thats ur answer
Step-by-step explanation:
number 2 is 20
number 3 is 2
4 is, -60
I gotta go but i solved as much as i could hoped I helped :)))