Question

The sum of two number is -18 and their difference is -12. What are the two numbers?

Answer 1

Answer:

$x + y = - 18$

Let this be equation 1.

$x - y = - 12$

Let this be equation 2 .

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Answer 2

Answer

x=15

y= -33

explanation

first solve the equation 1 and 2 then substitute the value of x and find y