Question

If the sum of two integers is 30 and one of the them is -10 , then the other number is _______

Answer 1

Answer:

given sun of two integer = 30

one no. = -10

so for second no.

second no. = total sum of no. s - one no.

second no. = 30-(-10)

second no. = 30+10

second no. = 40

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Answer 2

Answer:

Let the numbers be x and y.

x+y=30.... given

x= -10.... given

-10 +y=30.... after transferring-10 to right side, it will become 10

y=30+10

y=40

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