Linear Equations: Tsuru-Kame-Zan

There are two different animals: cranes and turtles, and you see a total of 7 heads and 22 legs. Find the total number of each animal.
/* Tsuru-Kame-Zan */

K   + T   = HEAD
K*4 + T*2 = LEG

HEAD = 7
LEG  = 22

OUTPUT  T, K
Explanation

Inside /**/ is freeform and any comments can be input. The 1st line is used for a title and you can enter any characters.

The asterisk mark ( * ) is used to represent multiplication.

A maximum of 8 characters is allowed for variable names and both numeric numbers and alphabets can be used. The first character must always be an English letter.

The OUTPUT statement specifies variables to be output.

Enter equations and click on the [Solve] button.

/* Tsuru-Kame-Zan */ K + T = HEAD K*4 + T*2 = LEG HEAD = 7 LEG = 22 OUTPUT T, K

Sample problem

The following sample problems will help you understand how EQUATRAN-G works.

Linear equations: Tsuru-Kame-Zan (Japanese traditional problem, means problem of cranes and tortoises); Nutrients problem
Non-linear equations: Root of 3rd order polynomial equation; Loan calculation
Ordinary differential equations: 2nd order ordinary differential equation
Optimization and least square problems: Approximation in 3rd order polynomial equation