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Question

1<0

Answer 1

x=x*(-1), ie x=5; x=5*(-1) x=-5

Answer 2

#include <iostream>

int main()
{
int x;
std::cin >> x;

if (x < 0) x *= -1;

std::cout << "Absolute value of x : " << x;
return 0;
}

Answer 3

Please do not put Code in tags

Answer 4

prop