Question

Which equation results from adding the equations in this system? Negative 2 x + y = 8. 5 x minus y = negative 5.

Answer 1

x= 1.75 y= 6.75

Explanation:

substitution method

Answer 2

3x = 3

Explanation:

Negative 2 x + y = 8

5 x minus y = negative 5

-2x + y = 8

5x - y = -5

3x + 0y = 3

3x = 3