mathamaticmike mathamaticmike
  • 06-10-2020
  • Mathematics
contestada

5|2x - 3| + 4 = 9
How do you solve this

Respuesta :

Cheekibreeki11
Cheekibreeki11 Cheekibreeki11
  • 06-10-2020

Answer:

x = 2, or x = -1

Step-by-step explanation:

If 2x - 3 is inside the parenthesis (), then the value of x is 2.

If 2x - 3 is inside the absolute value sign, then the value of x will probably be -1.

Solution 1

(10x-15) + 4 = 9

10x -11 = 9

10x = 20    -> x = 2

Solution 2 (Not 100% sure)

|10x -15| +4 = 9

10x + 15 +4 = 9

10x + 19 = 9

10x = -10      -> x = -1

Please correct me if I'm wrong.

Answer Link

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