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Solving Equations

 

  1. It is now time to start Mathematica and Open a notebook. Do you remember.... Click on the Mathematica Icon... on your desktop in your launcher and Mathematica will open a new notebook for you.

  2. Using Solve gives generic solutions to an equation or system of equations. Recall that we use a double equal sign == to separate the left and right sides of an equation, and that we should specify a variable or list of variables to solve for. Here we solve the general quadratic equation with respect to x.
    • Type this -----> Solve[ax^2 + b x + c == 0, x]

  3. Inside Solve, we enter a "system of equations" as a list of equations, followed by a list of variables to solve for.
    • Type this -->Solve[{x+5y==c, 2x+y==d},{x,y}]

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