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otez555 [7]
3 years ago
7

Two numbers have a sum of -9. One number is x. What expression represents the other number?

Mathematics
1 answer:
Anika [276]3 years ago
3 0
Assume that the other number is y.
we know that the addition of both number is -9
this means that:
x+y=-9
reorder this equation to seperate the y variable:
y=-9-x
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