madicouv madicouv
  • 17-09-2020
  • Mathematics
contestada

What is the solution set for |x+3|=5?
S=-9 and 5=8
S=-2 and S=2
S=-8 and 5= 2
S= 2 and 5=8
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Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 18-09-2020

Answer:

  x = -8 and x = 2

Step-by-step explanation:

The given equation resolves into two:

  • x + 3 = 5
  • -(x +3) = 5

The solution to the first can be found by subtracting 3:

  x = 2

The solution to the second can be found by multiplying by -1, then subtracting 3.

  x +3 = -5

  x = -8

The solution set is {-8, 2}.

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