Z0adisyahcarrettyFa Z0adisyahcarrettyFa

19-07-2016
Mathematics

contestada

how many solutions does the following equation have? |3x 12| = 18 no solution one solution two solutions infinitely many solutions

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nobillionaireNobley nobillionaireNobley

23-07-2016

3x + 12 = 18 . . . . . (1)
-(3x + 12) = 18 . . . (2)
From (1): 3x = 18 - 12 = 6
x = 6/3 = 2
From (2): -3x = 18 + 12 = 30
x = 30/-3 = -10
Therefore, there are two solutions.

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