Mikaylaaaa Mikaylaaaa
  • 04-04-2017
  • Mathematics
contestada

Solve the absolute value equation or indicate that the equation has no solution.

│x + 6│ = 9
A. {3}
B. {-15, 3}
C. {-3, 15}
D. ø

Respuesta :

Vesper02
Vesper02 Vesper02
  • 04-04-2017
The answer is B. {-15, 3}

| x + 6 | = 9

x + 6 = -9       x + 6 = 9
    -6     -6            -6    -6

x = -15            x = 3 
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