paschalsylvia579 paschalsylvia579

01-04-2021
Mathematics

contestada

Solve the following system of equations using the elimination method. 2x+4y=10;-2+y=-15

Respuesta :

Yang100 Yang100

03-04-2021

Answer:

x=7, y=-1. (7, -1).

Step-by-step explanation:

2x+4y=10

-2x+y=-15

-----------------

5y=-5

y=-5/5

y=-1

2x+4(-1)=10

2x-4=10

2x=10+4

2x=14

x=14/2

x=7

Answer Link

Otras preguntas

we can conclude that the maya were polytheistic because

is cobalt chloride solution a conductor or an insulator

HELP ME PLEASE IRE ALLY NEED HELP APO!? :)

Which of the following Web sites would be MOST credible? a. a site associated with a local university b. an encyclopedia site with many contributors c. a sit

Math6. Grade 6. Can anyone help me with some algebra questions? I need these questions answered soon as possible? Right away if possible! 2 (6 x + 6) = ?

PLEASE ANSWER THESE 2 QUESTIONS ASAP There are 4 kings in a standard deck of 52 playing cards. If Taquasia selects a card at random, what is the probability th

Need help pls I have the answer but have to show my work

A car travels 70 miles in 80 minutes. Which is its average speed per minute? a. 11 miles b. 8.75 miles c. 1.14 miles d. 0.875 miles User: gopd

4x – 4 – 3x > 13 – 7x – 1 + 8

13. For which of the following equations are x = 5 and x = –5 both solutions?