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 is a series of events that cells go through as they grow and divide
Fragment in this sentenceWith her heavy dictonary, Donna thumps the top other ancient computer monitor.  Whenever the color tint flickers from normal to sickly
Why did president Washington want the United States to remain neutral
Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make
how is the expression of sex linked genes both  similar to and different from the expression of autosomal genes?
What sorts of signals does the brain use to communicate sensations, thoughts and actions?
a soccer team played 160 games and won 65% of them. how many did they win?
Why were the 1920's considered the best and worst of times?
How did the depression affect women and children?
Newtons third law of motion is also known as the law of ?