Question

Find an integer a such that a+9=0

Answer 1

Hey Man, Here is your answer :

In solving this we must use linear equation.

a + 9 = 0
or, a + 9 - 9 = 0 - 9
or, a = -9

Hope it helps, Guru.

Answer 2

a+9 = 0
a = -9
=> -9 +9 =0