brentonwilliam brentonwilliam
  • 24-05-2018
  • Mathematics
contestada

Use addition to solve the linear system of equations. Include all of your work in your final answer.

x - y = 4
x+ 2y = 4

Respuesta :

calculista
calculista calculista
  • 02-06-2018
we have that
x - y = 4-------> multiply by -1-----> -x+y=-4-----> equation 1
x+ 2y = 4------> equation 2

add equation 1 and equation 2
-x+y=-4
x+2y=4
-----------------
0+3y=0-----> y=0
x+2y=4------> x+0=4------>x=4

the solution is the point (4,0)
Answer Link

Otras preguntas

The ________ connects the hippocampus to the thalamus and amygdaloid bodies.
What is the work function of cadmium metal if light with = 9.85×1014hz is necessary to eject electrons?
what is the total number of colonists to arrive at Jamestown by summer of 1609
Can someone help me I'm so confused
Animals marking their territory with urine is an example of _______.
A circular mat has a circumference of 220 centimeters. Find the radius rounded to the nearest whole number.
Shipment of cattle from texas to chicago markets started in which decade?
Choose all that apply. The study of human language includes the study of _____.
Particle 1 of charge q1 �� ��5.00q and particle 2 of charge q2 �� ��2.00q are fixed to an x axis. (a) as a multiple of distance l, at what coordi- nate on the a
How do i evaluate this problem ?