3 years ago

The sum of the digits in a two-digit whole number is 9. The number in the

Mathematics

1 answer:

Arte-miy333 [17]3 years ago

8 0

Answer:

Step-by-step explanation:

x = # in ones place

y = # in tens place

x + y = 9

y = x - 3

substitute:

x + x-3 = 9

2x - 3 = 9

2x = 12

x = 6

y = 3

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