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Nata [24]
3 years ago
13

One number exceeds another by 1. the sum of the numbers is 21. what are the numbers

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
3 0
Try this solution:
1. if 1st number is 'x', the 2d number is 'y', then it is possible to make up the system of two equation according to the condition:
\left \{ {{x-y=1} \atop {x+y=21}} \right. \ =\ \textgreater \  \  \left \{ {{x=11} \atop {y=10}} \right.
2. one number is 11, another number is 10.
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