Question

the sum of two integer is 0.if one number is 81.find the other number​

Answer 1

Let the other integer be x. Then,

ATQ,

X+81 = 0

Or, X = - 81

Hence, the other integer is (-81).

Answer 2

Let one number be x and other be y
so, x + y = 0
here it is given that value of one number is 81
so, let x = 81 and we have to find y
from the above equation , 81 + y = 0
therefore y = -81
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