theroyalsistersforve
theroyalsistersforve theroyalsistersforve
  • 21-05-2020
  • Mathematics
contestada

solve the inequality
3 + 9x >4(x+7)
pls help

Respuesta :

passionboy
passionboy passionboy
  • 21-05-2020

Answer:

x<5

Step-by-step explanation:

the greater sign will firstly be changed to = for better solving so we obtain

3+9x=4(x+7)by opening bracket

3+9x=4x+28

9x-4x=28-3

5x=25

divide all through by 5x

we obtain

x=5

the greater sign change here

which is x<5

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