brucewayne46l
brucewayne46l brucewayne46l
  • 18-01-2017
  • Mathematics
contestada

Solve the inequality for x
-2<5x+3

Respuesta :

Connernick
Connernick Connernick
  • 21-03-2017

4/5x + 5 < -3 (multiply the inequality by 5 to get rid of fraction)
4x + 25 < -15 (subtract 25 from both sides)
4x < -15 - 25
4x < -40
x < -10

or

4/5x + 5 < -3 (subtract 5 from both sides)
4/5x < -3-5
4/5x < -8
x < -8/(4/5)
x < -8 * 5/4
x < - 40/4
x < -10
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