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

What is one advantage of watching or listening to a play as opposed to reading it?
C. a different class is made up of 60​% women and has 24 women in it. what is the total number of students in the​ class?
Conception occurs when the female gamete fertilizes the male gamete. True False HELP!
Choose the best response for each question. ¿quién entendió lo que enseñó la maestra?
A patient receives an injection of 2.0 ml of anesthetic. what is the equivalent of this volume in cubic centimeters? a.0.020 cm3 b.0.20 cm3 c.0.002 cm3 d.20 cm3
Find x and y. please I need help its so confusing
What are some advantages of binary fission?
Are changes to the nucleotides in a segment of dna that codes for a protein
APEX Ecosystems provide many services. Which of these is a service that moderates the environment in a way that benefits people? A) Water purification B) Build
Nalia nalia work 3.5 hours more than Lisa together they worked a total of 18 hours Lissa worked H hours