Seudónimo Seudónimo
  • 22-01-2021
  • Mathematics
contestada

-4 = r/20 -5
Solve for r. Show your steps​

Respuesta :

lucballantini lucballantini
  • 22-01-2021
-4 = r/20 - 5

Add 5 to both sides

1 = r/20

Multiple by 20 on both sides

20 = r
Answer Link
Аноним Аноним
  • 22-01-2021

Answer:

r = 20

Explanation:

-4 = r/20 - 5

  • Simplify both sides of the equation

-4 = r/20 - 5

-4 = 1/20r + -5

-4 = 1/20r - 5

  • Flip the equation

1/20r - 5 = -4

  • Add 5 to both sides

1/20r - 5 + 5 = -4 + 5

1/20r = 1

  • Multiply both sides of the equation by 20

(20)1/20r = 1(20)

  • r = 20
Answer Link

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