Question

verify a÷b=a-(-b),for a=18 and b=2.

Answer 1

According to the data, a = 18, b = 2,

So for verification, You should input the values in them,

Now ,

18÷2 = 18-(-2)

9 = 18+2,

9 = 20, But we know that this is wrong,

So that, we can say either a or b is given wrong !

Answer 2

Answer is in attachment.

Hope it helps.