1121412
1121412 1121412
  • 14-12-2018
  • Mathematics
contestada

which values are in the solution set I x-4 I =8?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 14-12-2018

Answer:

x = 12        and    x = -4

Step-by-step explanation:

abs (x-4) = 8

When we have absolute value equations, we get two solutions, one positive and one negative

x-4 = 8        and   x-4 = -8

Add 4 to both sides

x-4+4 = 8+4       x-4+4=-8+4

x = 12        and    x = -4

Answer Link
gmany
gmany gmany
  • 14-12-2018

[tex]|x-4|=8\iff x-4=8\ \vee\ x-4=-8\qquad\text{add 4 to both sides}\\\\\boxed{x=12\ \vee\ x=-4}[/tex]

Answer Link

Otras preguntas

put the progress of early humans in the correct order of occurrence
Polygon ABCDEF is the result of a translation of polygon GHIJKL . GH¯¯¯¯¯¯ is parallel to LK¯¯¯¯¯ in the pre-image. Drag the answers to the boxes to correctly c
What is the capital of Guinea
What french revolution document contained many enlightened principles?
To which post did Theodore Roosevelt appoint William Howard Taft in 1904
Who selects board members for the federal reserve?
what was significant about Anwar El Sadat rule in Egypt
Why did many american cities change the german street names in their neighborhoods?
3. _________is an empty calorie food that some people call liquid candy.
how do you solve z = 3x + 4y