Tarmarra21
Tarmarra21 Tarmarra21
  • 03-03-2017
  • Mathematics
contestada

Solve the system of equations and choose the correct ordered pair. 

2y = 8x - 14
4y = 8x + 4


Solve the system of equations and choose the correct ordered pair 2y 8x 144y 8x 4 class=

Respuesta :

wolf1728
wolf1728 wolf1728
  • 03-03-2017
A) 2y = 8x - 14
B) 4y = 8x + 4
Multiplying Equation "A" by -1

A) -2y = -8x +14 Then adding it to B
B) 4y = 8x + 4
2y = 18
y = 9
A) 2y = 8x - 14
A) 18 = 8x -14
A) 32 = 8x
x=4


Answer Link
morgaine816
morgaine816 morgaine816
  • 03-03-2017
-1(4y=8x+4)=-4y=-8x-4
+2y=8x-14
=========
-2y=-18
y=9

Then plug in y
2(9)=8x-14
18+14=8x
32/8=x
x=4
Answer Link

Otras preguntas

What type of climate did the Fertile Crescent have?
Which best summarizes the social contract outlined in the Preamble to the Declaration of Independence? Government has the power to protect natural rights, but s
Which component of the earth’s atmosphere is decreased due to photosynthesis? A. ozone B. oxygen C. hydrogen peroxide D. carbon dioxide
I need help Solve 4x-c=k for x
what is the percentage of 64 out of 100
0.4 ÷ 1.44 Can someone please help me I'm not the best with division and decimals
You are an administrator for the contoso corporation. you have several hyper-v hosts that connect to a central storage area network (san). you are close to runn
Which definition best explains the British policy known as mercantilism? Question 13 options: trade policy for opening new routes to the Far East. military poli
name a pair of vertical angles (easy question)
An igneous rock body that intrudes and bakes an existing sequence of rocks is