Math Problem Statement
ne, první krok jsem řešil tím, že jsem přehodil 1 a 2 rovnici, pak přehozenou 1 rovnici jsem vynásobil 5, rozepiš podrobně každé kroky, zde jsou rovnice: 5x + 2y + 3z = 9, -x + 2y + z = -5, 3x - y + 7z = 15
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Systems of Linear Equations
Elimination Method
Formulas
General form of a system of linear equations: ax + by + cz = d
Elimination method: multiplying equations to eliminate a variable
Theorems
Properties of systems of linear equations
Suitable Grade Level
Grades 10-12
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Solving a System of Equations: 5x + 2y - z = 10, 2x + 7y + 4z = -9, 5x + 3y + z = -5