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Otrada [13]
3 years ago
7

Problem page the sum of two numbers is 67 and the difference is 11 . what are the numbers?

Mathematics
1 answer:
pav-90 [236]3 years ago
8 0
Try this:
1. sum of numbers is x+y=67, the difference between them is x-y=11
2. it is possible to make up and resolve the system:
\left \{ {{x+y=67} \atop {x-y=11}} \right. \ =\ \textgreater \  \  \left \{ {{x=39} \atop {y=28}} \right.
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