Solve the equation for x

by Eric
(Florham Park, NJ)

(x+13)/y = 9

Multiply both sides of the equation by y


y×(x + 13)/y = 9 × y

Simplify

x + 13 = 9y

Minus 13 from both sides of the equation


x + 13 - 13 = 9y - 13

x + 0 = 9y - 13

x = 9y - 13

Click here to post comments

Join in and write your own page! It's easy to do. How? Simply click here to return to Introduction to algebra.

Recent Articles

  1. Quadratic Formula: Easy To Follow Steps

    Jan 26, 23 11:44 AM

    Quadratic formula
    Learn about the quadratic formula, the discriminant, important definitions related to the formula, and applications.

    Read More

  2. Area Formula - List of Important Formulas

    Jan 25, 23 05:54 AM

    Frequently used area formulas
    What is the area formula for a two-dimensional figure? Here is a list of the ones that you must know!

    Read More

Tough algebra word problems

100 Tough Algebra Word Problems.

If you can solve these problems with no help, you must be a genius!

Math quizzes

 Recommended

Math vocabulary quizzes