nic3657 nic3657
  • 13-11-2018
  • Mathematics
contestada

|3x|=9 what's the answer and the breakdown of this problem?

Respuesta :

gmany
gmany gmany
  • 13-11-2018

[tex]|3x|=9\iff3x=9\ \vee\ 3x=-9\qquad\text{divide both sides by 3}\\\\x=3\ \vee\ x=-3[/tex]

Answer Link
ithishreep
ithishreep ithishreep
  • 13-11-2018
  • |3x|=9 means that 3x=-9 or 3x=9 so x=3 and x=-3
Answer Link

Otras preguntas

Air has 21% oxygen by volume. Oxygen has a density of 1.31 g/L. What is the volume in liters of a room that holds enough air to contain 55 kg of oxygen
Winds blowing across the ocean surface cause friction which results in
what are the coordinates of the vertex of the parabola represented by the equation y=-3x^2+18x-24?
what is -a^-2 if a = -5
explain what is happening to an object that has an acceleration of 2ms-2
Which of the following describes the graph of {x | x ≤ 1} {x | x ≥ 4}? closed circles on 1 and 4 with a line segment between closed circles on 1 and 4 with arro
Which of the following statements regarding the effect of "deterrence by sentencing" on the crime rate in the United States and Canada is TRUE? Rates of crime
How does tyrants gain power?
In a right triangle, find the length of the sides not given If a equals 9, in C equals 15
The French and Indian War A. was won by the French B. was costly for the Indians C. resulted in excessive taxation of the colonies