Elementary Algebra Concepts Animation

You can experiment, modify, and learn from the following samples. Remember that there is a tutorials page to learn the basics.

Problems Animations
The sum of two consecutive numbers is 15. What is the first of the two numbers?

Note: x + (x+1) = 15.

2x + 1 = 15.

The sum of three consecutive numbers is 18. What is the first of the two numbers?

Note: x + (x+1) + (x+2) = 18. 3x + 3 = 18.

If 3y + 4 = 25. What is y?
Samples Page