Question

What is the result of subtracting the second equation from the first?

-2x + 7y = 10
3x + 7y = 2

Answer 1

Sorry for my handwriting

Answer 2

Answer: - 5x = 8

Explanation:

Subtracting equation 2 from 1 implies

- 2x - 3x + 7y - 7y = 10 - 2

- 5x = 8

If solving for x , then

x = -8/5