Minissycator Minissycator

23-11-2016
Mathematics

contestada

Solve for x: |2x + 12| = 18

x = 3, x = –3
x = 3, x = –15
x = 15, x = –15
x = –3, x = 1

Respuesta :

nobillionaireNobley nobillionaireNobley

24-11-2016

|2x + 12| = 18
2x + 12 = + or - 18
x + 6 = + or - 9
x = 9 - 6 or -9 - 6
x = 3 or -15
x = 3, x = -15

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