Question

the sum of two integer is -11 if one of them is 9 find the other

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Answer 1

Answer:

$sum \: of \: two \: integers = - 11 \\ \\ one \: of \: them = 9 \\ \\ other = sum \: of \: two \: numbers - given \\ \\ - 11 - 9 \\ \\ - 11 + ( - 9) \\ \\ - (11 + 9) \\ \\ - 20$

Answer 2

Answer:

Sum of two integers = -11

One number = 9

let the other number be x

Other number =

» x+9 = -11

» x = -11-9

» x = -20

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