3 years ago

What is the number?

Mathematics

2 answers:

Korvikt [17]3 years ago

5 0

Step-by-step explanation:

the number is then

x.y

y = x + 1

x + y = 7

using the first equation as identity in the second equation :

x + x + 1 = 7

2x = 6

x = 3

and therefore

y = x + 1 = 3 + 1 = 4

so, the number is 3.4

kotegsom [21]3 years ago

3 0

Answer:

3 and 4

Step-by-step explanation:

3 and 4 added up is 7,4 is one number mor than 3

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