When 23 is added to a number, 99 is the result. What is the number?
What is the value of y, when x = 3 and y = 5 + 4x?
One health club charges a monthly fee of $81 and an extra $5 for every visit. Another health club charges $86 per month and $4 for every visit. For how many visits will the monthly charge be the same? Suppose x is the number of visits per month. Write a linear equation, which will derive the solution for the problem.
The sum of the squares of two consective positive integers is 61. Find these two numbers.
A certain number, when added to 50% of itself, is 27. What is the number?
Six less than three times a number is four more than twice the number. Find the number.