24 less than five times a number is 26, then the numbers is ______.

Five less than 3 times a number is -20 . Find the number.

If 10 less than a number is 65, then the number is ________.

28 is 12 less than 4 times a number. Find the number.

Fifteen less than 4 times as a number is 9. Find the number.

The number of diagonals of a convex polygon is 15 less than 4 times the number of its sides. The number of sides of the polygon be

The number of diagonals of a convex polygon is 15 less than 4 times the number of its sides. The number of sides of the polygon be

If 10 be added to four times a certain number, the result is 5 less than five times the number. Find the number.

If 10 be added to four times a certain number, the result is 5 less than five times the number. Find the number.

Seven times a number is 12 less than thirteen times the same number. Find the number.