Question

A+b=0.
A-b=8.
What is a and what is b

Answer 1

Answer:

A =4

B = -4

Explanation:

A+B = 0 --->(1)

A-B = 8 -->(2)

(1)+(2) => 2A = 8

=>A =4

NOW,

In (1),

Putting the value of A= 4 ,

we get

4+B = 0

=>B = -4

Answer 2

Answer:

B=-4 and a=4

Explanation:

A=8+b

Substitute this in A+B=0

Then 8+b+b=0

8+2b=0

2b=-8

B=-4

Substitute b value in a

Then a-4=0

A=4