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

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

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