Question

Solve the following system by any method.
8x+9y=-5
-8x-9y=5

Answer 1

8x + 9y = -5
-8x - 9y = 5
0 = 0

The answer is infinite.

Answer 2

equations has infinite solutions.

Explanation:

Given : 8x+9y=-5

-8x-9y=5.

To find : solve the following system by any method.

Solution : We have given

8x+9y=-5 ------(1)

-8x-9y=5 -------(2)

______________ ( Adding both the equations )

0 + 0 = 0

This mean equation has infinite solutions.

Therefore, equations has infinite solutions.