atamburo atamburo

09-03-2017
Mathematics

Answered

Solve each system using substitution: 7x-2y=1 2y=x-1

Verified Answer :

ghanami ghanami

13-03-2017

Hello :
7x-2y=1 ...(1)
2y=x-1...(2)
substitution 2y in (1) :
7x-(x-1) = 1
7x-x+1 = 1
7x = 0
x=0
in (2) : 2y = 0-1
2y = -1 y= -1/2
the system have one solution : (0 ;-1/2)

Answer Link

Related Questions

A water park charges 5 for entry into the park and an additional 2 for each of the big water slides Steven spent 17 on his visit to the water park Which equatio

Without wires electronic signals can be carried over long distances by a transistors b magnetic fields c electromagnetic waves d integrated circuits

Why does active transport require energy input by the cell

How are the Kissimmee River Lake Okeechobee and the Everglades related

a kitten weighs 500g a puppy weighs 2kg Wich weighs more how much more

51042 in scientific notation

What does 16 mean

how does the polar jetstream affect temperature and precipitation in North America

What great contribution did monks make during the Byzantine Empire A Creation of mosaics B Scientific experiments C Architectural ideas and plans D Preservation

Why should the electoral college be abolished

Web Analytics Made Easy - Statcounter