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

It is impossible for a stable joint to become too mobile. true or false.
What does this spell? A. buy B. Mut C. But D. and
The fastest on the farm flies at a unit rate of 80 miles per hour. At this rate, how far will she fly in 4 hours?
what is the percent of composition by mass of hydrogen in NH4HCO3 (gram-formualmass=79 grams/mole)?
whom do the two men seated at the table represent what this cartoon suggest about american attitudes toward immigration in the late 1800s how do you know this w
Which expression has the same value 13-(-49)
The temperature in Vancouver is -8°C, in Montreal it is -4°C, in Seattle it is -6°C, and in Buffalo it is -10°C. Which city is the coldest?
how would you be able to use the spectrum of each gas to establish its identity
Which of the following is one of the reasons that Native American slavery declined quickly?
How many atoms are in 0.075 mol of Carbon (C)?