Question

Which equation results from adding the equations in this system?

-8x+8y = 8
3x-8y=-18

A: 5x=-10

B: 5x = 26

C: -5x = 26

D: -5x=-10

Answer 1

Explanation:

The correct answer is letter D

Answer 2

• D. - 5x = - 10

Explanation:

Given equations:

• -8x+8y = 8
• 3x-8y=-18

Add together:

• -8x + 8y + 3x - 8y = 8 - 18
• - 5x = - 10

Correct option is D