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

Water, vitamins, and salt are absorbed in the
The sum of two integers with different signs is 8. Give two possible integers that fit this description.
mary says the pen for the her horse
is the relationship between the 7s in 7,742 and the 7s in 7,785 different in any way? why n why not
Hi!! i just started school and was having trouble with this question from my english paper please if you know the answer take the time 2 answer my question i
what is 1/10 of 60,000
Job A pays $13.00 per hour. Job B pays $11.00 per hour but has health benefits. Health insurance costs $3,400 per year. You expect to work 2,000 hours during th
What numbers multiply to get 720
fort knox holds 147,300,000 onces of gold. write the number that is one million more
Circle the difference 9 - 4=5