Equation calculator (linear, quadratic, cubic, linear ...
https://www.hackmath.net/en/calculator/solving-system-of-linear-equationsSolving system of linear equations Enter equation (s) Write each equation on a new line or separate it by a semicolon. The online calculator solves a system of linear equations (with 1,2,...,n unknowns), quadratic equation with one unknown variable, cubic equation with one unknown variable, and finally, any other equation with one variable.
Linear Equation Solver - Apps on Google Play
play.google.com › store › apps"Easy Equations : Linear Equation Solver" is a smart application which solves a system of linear equations and general day-to-day equations easier than ever. ★ Ability to solve system of linear equations up to 30 unknowns. ★ Fractional or decimal solution. ★ Shows how the problem is being solved (Row echelon form).