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

27.what are atoms made ofA. subatomic particles B. smaller atoms C. proton clouds D. smaller molecules

Give three examples of people, places or things that would be depicted in a Soviet Realism style painting.

Does anyone mind helping me with this?

Percy paid 24.10 for a basketball. The price of the basketball was 22.99. What was the sales tax rate?

find the Quotient o r 4298÷4

Which values represent the first two terms of the sequence a1=2 and an=-4(an-1)^2?

REPORT: A NEW NATION FORMED Write a couple of paragraphs (200-250 words) describing one of the new nations that was created when the USSR divided. Include in yo

Which element, if combined with chlorine, will have the greatest attraction for the chlorine electrons? N P As

solve the proportion ((x-8)/5)=(2/4)

Susan's sporting goods sells a variety of sports equipment and clothing. how should susan set up her adwords account?