katj065 katj065
  • 22-03-2017
  • Mathematics
contestada

Solve the system by the elimination method. Check your work. R - 9S = 2 3R - 3S = -10

Respuesta :

irspow
irspow irspow
  • 22-03-2017
-3(r-9s=2)+(3r-3s=-10)

24s=-16

s=-2/3, now using either original equation we can solve for r.

3r-3s=-10 becomes:

3r+2=-10

3r=-12

r=-4 so the solution is the point:

(s,r)=(-2/3, -4)
Answer Link

Otras preguntas

What is the difference between anus and ovary
10 lines on Good manners for class 1 student
what did fascists believe was necessary to achieve order in a society
it's generally recommended that athletes consume approximately____ percent of their daily calories?
Electrolysis of a dilute solution of aqueous sodium chloride results in the cathode product a. Sodium b. Hydrogen c. Chlorine d. Oxygen e. peroxide
What is the difference between anus and ovary
A test tube containing CaCO₃ is heated until the entire compound decomposes. If the test tube plus calcium carbonate originally weighed 30.08 grams and the loss
How were the democratic and republican parties formed?
Do you think the Palmer Raids were a valid approach for a government to take? Explain
10 lines on Good manners for class 1 student