Math Problem Statement
) 2x + 8y = 20 2) x = 5 y = 2 2x + y = 10
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5x - 2y = 3 4) 2y + x = -15 y = 2x x = 3y
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4x + 7y = 19 6) y = 6x + 11 y = x + 9 2y - 4x = 14
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Substitution Method
Elimination Method
Formulas
Substitution: Replace one variable with an equivalent expression from another equation
Elimination: Add or subtract equations to eliminate a variable
Theorems
System of Linear Equations
Consistency and Inconsistency in Equations
Suitable Grade Level
Grades 9-12
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