Examples
- x+y=5, x−y=1 → x=3, y=2
Frequently asked questions
What is Cramer's rule?
A method using determinants to solve linear systems.
Solve a 2×2 system of linear equations by Cramer's rule.
A method using determinants to solve linear systems.
Calculate percentages, find what percent one number is of another, and track percentage c…
Solve complex math problems instantly with our free online scientific calculator, featuri…
Easily add, subtract, multiply, and divide fractions. Get the simplified fractional resul…
Simplify any ratio A:B to its lowest terms.
Solve for the missing value in a proportion A:B = C:D.