milesisaway milesisaway

15-09-2016
Mathematics

Answered

Solve for x: |2x + 6| - 4 = 20

Ax = 9 and x = 11
Bx = -9 and x = 15
Cx = 9 and x = -15
DNo solution

Verified Answer :

nobillionaireNobley nobillionaireNobley

17-09-2016

|2x + 6| - 4 = 20
|2x + 6| = 20 + 4 = 24
2x + 6 = 24 and 2x + 6 = -24
2x = 24 - 6 = 18 and 2x = -24 - 6 = -30
x = 18/2 = 9 and x = -30/2 = -15
x = 9 and x = -15

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