supergirl20
supergirl20 supergirl20
  • 03-03-2017
  • Mathematics
contestada

What's the answer and how to get it???

Whats the answer and how to get it class=

Respuesta :

sugeeeeeee sugeeeeeee
  • 03-03-2017
4x and -4x cancel each other out by elimination so now you add 8y and 2y getting you 10y and now you add 20 and -30 getting you -10 so 10y=-10
Answer Link

Otras preguntas

Will upvote The main reason the colonists were upset with England was because they had no one to speak for them in Parliament. True False
The average atomic mass of chromium is 52.00 amu. What is the mass of 3.0 mol of chromium?
there 30 colored circles on a rug. 1/5 of the circle are red. How many red circles are on the rug
Why would historians conclude that the ancient peoples of the Indus Valley were probably a peaceful civilization?
Potential energy is best described as the
Lima, which emerged as the richest city in the New World, was the center of Inca life and the home of its leaders. True False
Sandy was given the following series of observations. Which represents a theory?
what has 4 fingers and a thumb, but it is not living?
Which describes the American public's reaction to the Lend-Lease Act? A: The majority of Americans opposed the act because it did not dictate which countries co
The speed of light in a certain medium is 61.2% of the speed of light in vacuum. What is the index of refraction of the medium?