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 two major processes are involved in the oxygen cycle?
A 1 digit number and a 3 digit number have a sum of 205.  The same two number have a difference of 195, a product of 1,000 and a quotient of 40.  What are the t
A pound of seedless red grapes costs $2.75. Drew must spend less than $9.35 on a bunch of seedless red grapes.Inequality:Solution:Interpretation:
.is a pot holder a conductor or a insulator
If the speed of an object is tripled, its kinetic energy will be
How many minutes are in 36 hours?
Does the depth of a pan affect how water freezes?
Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!
A 1 digit number and a 3 digit number have a sum of 205.  The same two number have a difference of 195, a product of 1,000 and a quotient of 40.  What are the t
When was World War I?