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

How many triangles can be constructed with angles measuring 25º, 25º, and 130º? one more than one none

A bag contains 2 white marbles, 4 blue marbles, and 6 red marbles. if a marble is drawn from the bag, what is the probability that it is not white?

A(n) __________ is a warm, dry wind that blows down the side of a mountain. A. Fjord B. Avalanche C. Foehn D. Sirocco

How do you round 0.3875 to the nearest tenth?

What is the theme of the book mice and men?

Which of the following is true about a well-written paragraph? a. it minimizes sentence lenght. b. it opens and closes with a topic sentence. c. it contains

Which regions were annexed by hitler as england and france practiced their policy of appeasement? select all that apply.

what is the historical significance of kristallnacht?

A rectangle has a length of 6x + 3 units and a width of 8 units. Write a simplified expression for the area, in square units, of this rectangle

Nearly all light that strikes a(n) ______ object will be absorbed by the object.