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

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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