No unique solution — parallel or coincident lines.

System of Equations Solver

Solve 2x2 systems of linear equations

a₁ (eq1: a₁x + b₁y = c₁)

b₁

c₁

a₂ (eq2: a₂x + b₂y = c₂)

b₂

c₂

Formula

Cramer's Rule: x = (c₁b₂-c₂b₁)/det

Uses determinants to solve 2×2 linear systems.

x=3.2, y=2.2.

Solve systems of two linear equations using Cramer's rule.

Calculate percentages, increases, and decreases

Add, subtract, multiply, and divide fractions

Calculate mean, median, and mode of numbers

Find standard deviation of a data set