Question

Select the correct answer. What is the difference of the values of the two variables in this system of equations? y= 2x + 1 x + 3y = 10 O A. 0 B. 1 KD C. 2 KD D. 3

Answer 1

According to the given data we have the following equation:

2x + 1 x + 3y = 10

There are two types of variables in the equation above.

The variable x and the variable y

In order to calculate the difference of the values of the two variables we would make the following:

First we would sum elements of variable x

variable x=2x + 1x=3x

variable y=3y

Therefore, the difference of the values=3x-3y=0

So, The right answer would be A, the value is 0.