dannielynnwright64
dannielynnwright64 dannielynnwright64
  • 13-11-2020
  • Mathematics
contestada

Given the following equations:
Equation 1
5x+2y=7
Equation 2
x+y=5
Find the value of 4x + y

Respuesta :

mhanifa
mhanifa mhanifa
  • 15-11-2020

Answer:

  • 2

Step-by-step explanation:

Given

Equations

  • 5x+2y=7
  • x+y=5

To find

  • The value of 4x + y

Solution

Subtract the second equation from the first one side-by-side:

  • 5x + 2y - (x+ y) = 7 - 5
  • 5x - x + 2y - y = 2
  • 4x + y = 2

The answer is 2

Answer Link

Otras preguntas

When an electron moves 2.5 m in the direction of an electric field, the change in electrical potential energy of the electron is 8x10-17j. what is the strength
Giving an address, such as “1000 Elysian Park Avenue, Los Angeles, CA,” is an example of describing the __________ of a place. A. human-environment interactio
Tiana can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. If they decide to clear the field together, how long will it t
What is the first step in creating a cash flow statement?
please help radical expression dividing
_____ is designed to help consumers make proper product selections and lower their cognitive dissonance after a purchase.
following the end of the military rule, Chile .....A. elected a civilian government B. descended into civil warC. elected a socialist president D. Created a new
A 900-N lawn roller is to be pulled over a 5.0-cm high curb
What is 4.76 hours converted to min and sec
How does having a flexible mind help you become a better employee?