Math Problem Statement

x+y = 11, 2x+y = 12 berapa nilai x dan y

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Simultaneous Equations

Formulas

Substitution method: y = 11 - x
Simplification of linear equations

Theorems

Elimination and Substitution Methods for solving systems of linear equations

Suitable Grade Level

Grades 7-9