Question

Given, ( x + y + z ) × ( ab + 1 ) = 1

Find the value of z, if x is additive inverse of y and a is multiplicative inverse of b.​

Answer 1

The additive inverse of a number is what you add to a number to create the sum of zero.

So in other words, the additive inverse of x is another number, y, as long as the sum of x+y equals zero.

The additive inverse of x is equal and opposite in sign to it (so, y=−x or vice versa).