WierdestMia
WierdestMia
14-08-2018
Mathematics
contestada
what is the inequality for x and why ?
Respuesta :
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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