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

5x²-11x +6 . factories the expression

Plz help ;-; 20 points Suppose you read this sentence in a science report: "The overuse of germ-killing soaps is making some diseases more dangerous." What can

Solve the formula for the specified variable. V=AQT for A

What is photosynthesis??

write the equation of the line that has a slope of O and passes through the point (6, -8).

please ask yourself what you can do to help others

9. Sofija buys a bracelet for $14.50 plus 8% tax. Momoka buys a necklace for $12 plus 8% tax. Enter the sum, in dollars, that Sofija and Momoka paid, including

what topic was the first asu ever issued by the fasb related to?

[tex]{ \red {\sf{Define \: Transportational}}}[/tex]2+x=19Find x

953−105×4+118 Help plz :-( if right me give a lllllloooooot of points