Question

Verify that -(-y) is the same as y for y=-2/13

Answer 1

Step-by-step explanation:

Given: y = -2/13

To prove: -(-y) = y

proof: y=-2/13

multiplying -1 both sides

-y = 2/13

now multiply -1 again both sides

y = -2/13 or -(-y) = -2/13

hence proved that y = -(-y) = -2/13