sualen
sualen sualen
  • 03-02-2017
  • Mathematics
contestada

What is the value of r in the equation 4r − 8 = 5r + 12?

−20
−1
1
20

Respuesta :

joshlarge4444 joshlarge4444
  • 03-02-2017
The answer is -20. if you move all of the numbers with r to the right and all of the numbers without r to the left, you get r = -20.
Answer Link
Apocrophon
Apocrophon Apocrophon
  • 03-02-2017
[tex] 4r-8=5r+12\\-8-12=5r-4r\\-20=r[/tex]
Thus your answer is -20.
Answer Link

Otras preguntas

Physicist Max Planck showed how objects like stars give off different colors based on their temperature. What color are the hottest stars
A succession of items displayed in sequence to indicate definite steps, or chronology is a _______________.
help me por favor?!?!?!​
Please helpppp Find h
How many cups of flour are required to make 9 dozen cookies? ( write your answer as a mixed number) Demonstrate your method of choice
An electron in a hydrogen atom is in a p state. Which of the following statements is true? a. The electron’s wavefunction has at least one node (i.e., at least
What is humor? | || || |_
An angle with measure of 71° is bisect at what angle?​
Y = x + Start Over y OF 9 8 6 5 4 -10 -9 -8 -6 -4 1 1 4 9 - 8 9 OT -- -6 -9 -9
What is the probability a person admitted to the hospital is paid a malpractice claim (to decimals)