patricks65 patricks65
  • 11-08-2019
  • Mathematics
contestada

Solve for x. |2x - 8| > 6

Respuesta :

gmany
gmany gmany
  • 11-08-2019

Step-by-step explanation:

[tex]|2x-8|>6\iff 2x-8>6\ or\ 2x-8<-6\qquad\text{add 8 to both sides}\\\\2x-8+8>6+8\ or\ 2x-8+8<-6+8\\\\2x>14\ or\ 2x<2\qquad\text{divide both sides by 2}\\\\x>7\ or\ x<1 \to x\in(-\infty,\ 1)\ \cup\ (7,\ \infty)[/tex]

Ver imagen gmany
Ver imagen gmany
Answer Link
Аноним Аноним
  • 11-08-2019

Answer:

Solution is x > 7 or x <  1.

Step-by-step explanation:

|2x - 8| > 6

This is equivalent to 2x - 8 > 6  or     2x - 8 < -6

2x - 8 > 6

2x > 14

x > 7.

2x - 8 < -6

2x < 2

x < 1.

Answer Link

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