catdesKrystar
catdesKrystar catdesKrystar
  • 02-06-2016
  • Mathematics
contestada

Solve the following system of equations for x: 4x + y = 11 x + y = 2

Respuesta :

caylus
caylus caylus
  • 02-06-2016
Hello,

4x+y=11 (1)
x+y=2 (2)

(1)-(2)==>3x=9 ==>x=3 and y=2-3=-1
Sol={(3,-1)}

Answer Link

Otras preguntas

PLEASE HELP!!!! 50 POINTS!!!! I REALLY NEED HELP WITH THIS!!!! 1-5
when a number is decreased by 10% of itself, the result is 171. what is the number?
John Paul Jones raided the ________coast and destroyed two war ships.
what did they have to do in order to combat the carbon dioxide problem?
Which answer shows these decimals written in order from greatest to least?   46.95 48.1 46.581
A meteorologist reports an 80% chance of precipitation.Is this an example of experimental probability, written as a percent? Explain your reasoning.
Which material did Plains Indians use to make their clothing? A. velvet B. satin C. cotton D. hide
4.What did J. J. Thomson observe when he applied electric voltage to a cathode ray tube in his famous experiment? A.The stream of cathode ray particles was movi
77 decreased by twice of a number
Length of an idicated side of a triangle when the perimeter = 6x. side 1 = x 3. side 2 =2x 4. find side 3.