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

Average human body temperature is 98.6 Fahrenheit. What is it in Celsius and kelvin?
which word best replaces the underlined word in the following sentence?
why do you think it took america so long to get into the war
Combine the like terms to create an equivalent expression:−12−6p−(−2)
Que palabra significa cheese en espanol
Which expression is equivalent to |b| > 2? 1. b < -2 or b > 2 2. b > -2 or b < 2 3. b < -2 and b > 2 4. b> -2 and b < 2 This answer i
What is the factored form of 5x2 + 28x + 15? (5x + 3)(x + 5) (5x + 2)(x + 1)?
How biodiversity is affected by speciation, disruptive, stabilizing, and directional selection?
why was size one of the causes of the American Revolution
Is 90 percent of alcohol metabolized through the liver?