lauratmoore lauratmoore

14-10-2016
Mathematics

contestada

8x -y=2. 5x-4y=3 please help solve this system by substition method

Respuesta :

mecca99 mecca99

14-10-2016

8x-y=2 ---> y=8x-2
5x-4y=3

5x-4(8x-2)=3
5x-32x+8=3
-27x+8=3
-27x=-5
x= 5/27

8(5/27)-y=2
40/27-y=2
y=-14/27

Answer Link

Otras preguntas

how do you delete text from a slide

Which was not a reason for urban planning A. Crime B.Collective Bargaining C.Disease

A computer program that enables users to create and work with files and folders is called what? A. a web browser B. a file manager C. a user interface D. a file

An object moves on a conveyor belt at a speed of 60 inches per second.Explain how you could convert the speed to feet per minute?

Discuss the views of the Tillmanites and the Conservatives in regard to education, farming, and racial tensions. Which side would you have voted for during the

If you read can read 40 pages in 2 hours, how many pages can you read in 5 hours?

if a case concerns ambassadors, public ministers, and consuls, and if a state is one of the parties in the case, then it originates in a. the supreme court b.

tia cut a 4- meter 8-centimeter wire into 10 equal pieces. Marta cut a 540-centimeter wire into 9 equal pieces. how much longer is one of Marta's wires then one

A shirt originally cost $36.24, but it is on sale for $30.80. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest perc

Tom has 24 candy he gave five of his friends how many candy does Tom have now