Nicky156
Nicky156 Nicky156
  • 15-09-2019
  • Mathematics
contestada

Help please!

Solve for x.
–9<4x+3≤27

Respuesta :

MargaretSeil MargaretSeil
  • 15-09-2019

Answer:

(-3;6]

Step-by-step explanation:

-9<4x+3≤27 |-3 (because we have to remove everything what's next to the x)

-9-3<4x+3-3≤27-3

-12<4x≤24 |:4

-12:4<4x:4≤24:4

-3<x≤6

x = (-3;6]

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