Simultaneous Equations: Elimination
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This example demonstrates how to solve a system of linear equations using the elimination method and visualizes the geometric interpretation of the solution. Core math concepts include systems of equations, elimination method, and the coordinate of the solution. GeoGebra commands used include LCM (Least Common Multiple), FractionText (fraction display), and Point; objects include d, f, e, a, b, LCM1, F2, F1, c, xValue, soln_{x}, working, k, j, A, B, text2, text1, Frac_1, Frac_2, soln_{y}, text6, text3, text4, text5. Suitable for middle school students and above learning linear equation solving and geometric applications.
GeoGebra Commands & Parameters
LCM(b, e) → LCM1FractionText(xValue) → soln_{x}Point(k) → APoint(j) → BFractionText((a * xValue)) → Frac_1FractionText(c - (a * xValue)) → Frac_2FractionText((c - (a * xValue)) / b) → soln_{y}