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  • 14-08-2018
  • Mathematics
contestada

what is the inequality for x and why ?

what is the inequality for x and why class=

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gmany
gmany gmany
  • 14-08-2018

-3x - 42 > 3 |+42

-3x > 45 |change the signs

3x < -45 |:3

x < -15 → x ∈ (-∞, -15)

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