jacobabarbour jacobabarbour
  • 22-07-2019
  • Mathematics
contestada

Find the student's error in solving the following
inequality.
31 <-5x + 6
25 <-5x
-5

Respuesta :

kosala1478
kosala1478 kosala1478
  • 22-07-2019

x>7

Step-by-step explanation:

when dividing by a (-)

the inequality sign changes

Answer Link
dominguezjannelis dominguezjannelis
  • 25-09-2020

Answer:

"The student should have switched the direction of the inequality sign to get –5> x for a final answer."

and the second one is:

The student should have added 4 to all parts (left, middle, and right) to get 6 < –3x < 9.

Step-by-step explanation:

i got that on edge

Answer Link

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