Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
System of Equations
Substitution Method
Elimination Method
Formulas
x1 = 2x2 - x3 (from equation 1)
Substitute x1 into equation 3: -4(2x2 - x3) + 5x2 + 9x3 = -9
Simplify to solve for x2 and x3
Theorems
None directly, but methods like substitution and elimination are involved.
Suitable Grade Level
Grades 10-12 (High School)
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