zekkosyt zekkosyt

02-11-2020
Mathematics

contestada

A system of equations is shown.

3x+y=20

2x−2y=8

What is the value of x+y for the system of equations?

Respuesta :

emmymstarr emmymstarr

03-11-2020

Answer:

x+y=8

Step-by-step explanation:

2(3x+y=20)

6x+2y=40

2x-2y=8

8x=48

x=6

18+y=20

y=2

Answer Link

Otras preguntas

Which of these statements would be MOST important to include in an objective summary of the article? A. The health triangle is a helpful tool for visualizing yo

In The odyssey who is the eather shaker

Owen earns $27,980 per year in take-home pay. What is the most money a housing expert would advise him to spend on a monthly mortgage payment? O A. $2798.00 B.

Question 1 A 4,697 kg helicopter accelerates upward at 2 m/s/s. What is the net upward force exerted by the helicopter?

find the slope of the line graphed below

what is the relationship between frequency and wavelenghts of an EM wave?A.as wavelengths decreases, the frequency of the waves increases.B.as wavelengths decre

Tarra wants to buy grapes. If one pound of grapes costs $1.98, how much does Tarra pay for One-half of a pound of grapes? $0.99 $1.98 $2.48 $3.96

The help is needed for these times

Determine what regions make up the given probabilities - shade the Venn Diagram,

Tell your partner about your own room or flat .Discuss it in as much detail as possible