Question

4x + y = 3

x - y = 2

What is the value of y for the system above?

A. 5
B. 1
C. 1
D. -5​

Answer 1

The answer is -5

Explanation:

Because it shows the y and that equals a negative number

Answer 2

-1

Explanation:

You have to use simultaneous linear equation as there are 2 equations given

use the subtitution method as what I've shown above

Hope you can understand well

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