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Wolfram|Alpha is capable of solving a wide variety of systems of equations. It can solve systems of linear equations or systems involving nonlinear equations, and it can search specifically for integer solutions or solutions over another domain. Additionally, it can solve systems involving inequalities and more general constraints.

Reduce[] can be used to solve equations and inequalities . Typing Reduce[x^2 + y == 0 && x - 3 y == 1, {x, y}, Reals]

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Algebraic equations consist of two mathematical quantities, such as polynomials, being equated to each other. Solving equations yields a solution for the independent variables, either symbolic or numeric. In addition to finding solutions to equations, …

Solve an ODE using a specified numerical method: Runge-Kutta method, dy/dx = -2xy, y (0) = 2, from 1 to 3, h = .25 {y' (x) = -2 y, y (0)=1} from 0 to 2 by implicit midpoint.

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Algebraic equations consist of two mathematical quantities, such as polynomials, being equated to each other. Solving equations yields a solution for the independent variables, either symbolic or numeric. In addition to finding solutions to equations, Wolfram|Alpha also plots the equations and their solutions.

Wolfram Community forum discussion about Solve system of 3 equations using "Solve". Stay on top of important topics and build connections by joining Wolfram ...

Solve, plot and examine equations with one or more variables. Solve a linear equation: 4x+3=19. Solve a ...

Wolfram|Alpha is capable of solving a wide variety of systems of equations. It can solve systems of linear equations or systems involving nonlinear equations, ...

Wolfram|Alpha is a great tool for finding polynomial roots and solving systems of equations. It also factors polynomials, plots polynomial solution sets and ...

Wolfram|Alpha is capable of solving a wide variety of systems of equations. It can solve systems of linear equations or systems involving nonlinear equations, and it can search specifically for integer solutions or solutions over another domain. Additionally, it can solve systems involving inequalities and more general constraints. Learn more about: Systems of equations » Tips for entering queries

More than just an online equation solver. Wolfram|Alpha is a great tool for finding polynomial roots and solving systems of equations. It also factors polynomials, plots polynomial solution sets and inequalities and more. Learn more about: Equation solving » Tips for entering queries. Enter your queries using plain English.

For equation solving, Wolfram|Alpha calls the Wolfram Language's Solve and Reduce functions, which contain a broad range of methods for all kinds of algebra, from basic linear and quadratic equations to multivariate nonlinear systems.

Indeed, the solution above is OK. More practical is to force Mathematica to solve this equation numericaly from the beginning. SolveB x − 1 + x + x + 1. 3.

Using matrix to solve System of Linear Equations. May also use variables in the constant. Will display all solutions. Send feedback|Visit ...

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Get the free "3 Equation System Solver" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha.

Get the free "3 Equation System Solver" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha.

Numerical Differential Equation Solving » Solve an ODE using a specified numerical method: Runge-Kutta method, dy/dx = -2xy, y(0) = 2, from 1 to 3, h = .25 {y'(x) = -2 y, y(0)=1} from 0 to 2 by implicit midpoint

Solve an Equation. The Wolfram Language has many powerful features that enable you to solve many kinds of equations. You can solve an equation using Solve. Remember to use "==" in an equation, not just "=": Copy to clipboard. The result is a Rule inside a doubly nested list.