kay2863 kay2863
  • 02-12-2019
  • Mathematics
contestada

4x + y =6
-5x - y = 21

Respuesta :

nwokediuzoukwu3
nwokediuzoukwu3 nwokediuzoukwu3
  • 02-12-2019

Answer:

Step-by-step explanation:

Adding equation 1 and 2 we have

-x=27

Therefore x= -27

Substituting the value of x into equation 2 we have

-108+y = 6

y = 114

Answer Link

Otras preguntas

What hardships did the south face after the civil war????
You work at a fruit market. Bananas cost 50¢ a pound. A customer hands you a bunch of bananas that weighs 3 pounds. How much should you charge for the bunch o
Why is carbon unique among the elements?????
Can someone help me please!!!!!1.Grace and Allie are going to meet at the fountain near their houses.They both leave their houses at the same time. Allie passes
what causes the earths crust to move ?
Solve: K= 2(11 - k) + 14
Decrease £120 by 45%
which is an example of a physical change* metal rusting*silver tarnishing* water boiling* paper burning
Which measurement is not equal to 3 m 30 dm or 300 cm or 3000 mm or 3000 cm
A merry-go-round makes 18 rotations in 3 minutes. What is its angular speed in rpm?