Linear equation calculator 4/four unknowns. cramer's rule
Input equations in this form: aW + bX + cY + dZ = e
For example, the equations are:
2W + 3X + 4Y - 5Z = - 6
6W + 7X - 8Y + 9Z = 96
10W + 11X + 12Y + 13Z = 312
14W + 15X + 16Y + 17Z = 416
Then get your result.