keeykeey22
keeykeey22 keeykeey22
  • 02-03-2017
  • Mathematics
contestada

use the elimination method to solve the system of equations.choose the correct ordered.
4x+7y=60
-4x+7y=-4

Respuesta :

wolf1728
wolf1728 wolf1728
  • 03-03-2017
A) 4x+7y=60
B) -4x+7y=-4
Adding the 2 equations
14y = 56
y = 4


A) 4x+7*4=60

A) 4x+28=60
A) 4x = 32
x = 8
Answer Link

Otras preguntas

(2x - 3y)(4x - y) can you help me
Required courses that educate a college student in a broader range of subject areas are called
I need help ASAP (20points)
Please find x in the following problem.
How does Connor Murphy kill himself in the book adaptation of Dear Evan Hansen?​
Other things held constant, the more debt a firm uses, the lower its profit margin will be. a. true b. false
4. Lillana y Natalia todos los sabados en el centro comercial
can someone help me understand how to do this problem? Find an equation of the line that satisfies the given conditions. Through (9, 1) and (8, 6) Thank you!
Which of the following is an example of aposematic coloration? A) stripes of a skunk B) eye color in humans C) green color of a plant D) colors of an insect-pol
Your friend told you how to get to the Alcázar de Colón. Based on the directions, indicate if the statements are true or false. Para ir al Alcázar de Colón desd