alimhusen alimhusen
  • 08-02-2021
  • Mathematics
contestada

-2 - 5r = 18
help mee

Respuesta :

allanos2
allanos2 allanos2
  • 08-02-2021

Answer:

r = -4

Step-by-step explanation:

-2 - 5r = 18

+2         +2

––––––––

-5r = 20

/5     /5

––––––

-r = 4

/-1  /-1

–––––

r = -4

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