Question

verify that -(-y) =y y=-4/67​

Answer 1

Answer:

LHS= -(-y)

y = -4/67

-(-y) = -(-(-4/67)

= -4/67 ( minus is cancelled)

RHS= y = -4/67

hence proved -(-y) = y

Hope it helps :)

Answer 2

Answer: y= -4/67

expect