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5 votes
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

User Kunchok
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2 Answers

5 votes

Explanation:

The correct answer is letter D

User Polmiro
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10 votes

Answer:

  • 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

User Olaf Horstmann
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3.7k points