vizhnay9615 vizhnay9615
  • 01-12-2020
  • Mathematics
contestada

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Respuesta :

Emersoncushing
Emersoncushing Emersoncushing
  • 01-12-2020
(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3
Answer Link

Otras preguntas

The graph of a linear function is shown. Which word describes the slope of the line? positive negative zero undefined
Which of the following is not a part of the study of anthropology?a)interest in a biological aspect of the human species.B)tracing the religious beliefs of a cu
(X-2) is a factor of 4^3+2x^3-7x^2-8x+12
hellllppppp me noww please HELP ME WITH TRASH
Susan used 0.90 gallons of paint to paint one wall in a room. How much paint will Susan need to paint 8 more walls of the same size? gallons
Mike made a 9-inch sub sandwich.He needs to cut it into 2/3inch pieces we he be able to cut?
8251 is 127% of what number? Round to the nearest tenth, if necessary.
What is the resolution of “Raymond's Run”?
If you have three quarters, three dimes, and six nickels, how much money do you have?
When heat energy is removed, two changes are observed: Change A: Gas changes phases to a liquid. Change B: Liquid changes phases to a solid. What are the names