samuraijack443
samuraijack443 samuraijack443
  • 03-11-2020
  • Mathematics
contestada

Solve the following system of equations for x:
2x + y = -2
and
4x+y=-8
PLEASE HELP ME. IMMA FAIL

Respuesta :

coens04
coens04 coens04
  • 03-11-2020

Answer:

x=0.5

Step-by-step explanation:

2x+y= -2

and

4x+y= -8 so...

2x+y= -2 = 4x+y= -8

2x+4x= 6x

y+y=2y

-2+-8= -10

6x+2y= -10

2y- -10= 12

6x=12

6/12=0.5

x=0.5

Answer Link

Otras preguntas

Symptoms of excessive stress include all of the following except
How does the geography of the Gulf coastal plain affect Mexico's economy? Earthquakes and volcanoes make the area unstable. The mountains keep rainfall from th
Find the total number of unit cube that fill the entire prism
The length of a rectangle envelope is 2 1/2 times its width. A plastic band surrounds the front and back of the envelope to secure it as shown in the picture. T
the Strauss family is deciding between two lawn care services Green Lawn start charges a $49 startup fee plus $29 per month grass team charges a $25 startup fee
Find the volume and area for the figures shown and answer the question
Select the correct answer. A baseball is thrown into the air from the top of a 224-foot tall building. The baseball's approximate height over time can be repres
what is an inference ??​
If a spring stretches 6 meters when a 7-kilogram weight is attached to it, how much will it stretch when a 42-kilogram weight is attached to it?
Dehnil has 6 teaspoons of salt . The ratio to tablespoons is 3:1 , how many tablespoons of salt does Dehnil have ?