Question

The difference between the squares of
consecutive numbers is 31. Find the numbe
Find a number such that when 5 is subtract
from 5 times the number, the result is 4 m
than twice the number.​

Answer 1

Answer:

3

Explanation:

Let n be the number

 

5 subtracted from 5 times the number is 5n - 5

4 more than twice the number is 2n + 4

 

These expressions should be equal.

 

5n - 5 = 2n + 4

 

3n = 9

 

n = 3