Seudónimo Seudónimo
  • 27-01-2021
  • Mathematics
contestada

Solve for r.
21 = 42 - 3r

A. r = -8

B. r = -7

C. r = 7

D. r = 8

Respuesta :

lhh2se lhh2se
  • 27-01-2021

Answer:7

Step-by-step explanation:

21=42-3r

21-42=3r

-21=3r

r=7

Answer Link
sarap208 sarap208
  • 01-02-2021

Answer:

-7

Step-by-step explanation:

Answer Link

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