Question

The dum of two number -6,and their difference is 2,Find these two number?

Answer 1

Answer:

Let the numbers be x and y

x + y = - 6

x - y = 2

Add the above two equations

2x = - 4

x = - 4/2 = - 2

y = - 6 +2 = - 4

Answer 2

Answer:

Let the two numbers be X and Y. The sum of the numbers is 6, X + Y = 6. And their difference is 2, X - Y = 2

Adding the two equations 2X = 8, X = 4. As Y = X - 2 = 4 - 2 = 2

The two numbers are 4 and 2

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