Question

verify that-(-y)=y
a)y=2/17
b)y=-(-4/7​

Answer 1

Answer:

a)-(-2/17)=2/17

b)-(-4/7)=4/7

Answer 2

Answer:

1st answer no. a

-(-y)= y

-(-2/17)= 2/17

minus+ minus= plus

Then, 2/17=2/17 Hence first answer is explained

Now answer no. b

y= -(-4/7)= 4/7 because minus + minus= plus

-(-y)=y

-(-4/7)= 4/7

4/7 = 4/7

because minus + minus is always plus

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