maura2246 maura2246
  • 24-01-2022
  • Mathematics
contestada

Solve the absolute value equation and enter the solution in set notation.

|2X-3|-7=0

Respuesta :

semsee45
semsee45 semsee45
  • 24-01-2022

Answer:

{ x : x = -2 U x = 5 }

Step-by-step explanation:

                                     | 2x - 3 | - 7 = 0

Add 7 to both sides:          | 2x - 3 | = 7

So either    2x - 3 = 7                  

                       2x = 10

                         x = 5

Or        -(2x - 3) = 7

             -2x + 3 = 7

                   -2x = 4

                      x = -2

{ x : x = -2 U x = 5 }

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