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

Use the given endpoint R and midpoint M to line RS to find the coordinates of the other endpoint S. R(6,-2) M(5,3)
to tell a compelling story about history in written for historians often rely on ____ to keep readers interested
Which of the following causes is not considered a political disruption to food distribution? A. war B. sanctions C. refugees D. droughts
In the 1600s, Virginia attracted many colonists because of...
After air is taken in through the mouth or nose, it travels through the _____. bronchi, trachea, and the lungs pharynx, trachea, and then the lungs diaphragm, a
what is sum of 5/8 + 5/8
Solve the equation for y 4x+7y=28 y=
Which of the following best describes why Africans could have sold other Africans into slavery? A. They thought of themselves in terms of tribal groups, such as
Democratization describes a process through which a country's citizens gain greater access to and participation in government a measurement of the efficiency an
what is the transcontinental railrod