Jackiecroce12 Jackiecroce12
  • 09-10-2018
  • Mathematics
contestada

Solve the inequality.

7x − 9 > 2x + 6
A) x > 3
B) x > 3/5
C) x > −3
D) x > −3/5

Respuesta :

calculista
calculista calculista
  • 11-03-2019

Answer:

Option D.  [tex]x> -3/5[/tex]

Step-by-step explanation:

we have

[tex]7x-9 > 2x + 6[/tex]

solve for x

Subtract 2x both sides

[tex]7x-9-2x > 2x+6-2x[/tex]

[tex]5x-9 > 6[/tex]

Adds 9 both sides

[tex]5x-9-9 > 6-9[/tex]

[tex]5x> -3[/tex]

Divide by 5 both sides

[tex]5x/5> -3/5[/tex]

[tex]x> -3/5[/tex]

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