Math Problem Statement

vysvětli mi dosazovací, srovnávací a sčítací metodu u těchto 3 rovnic

Solution

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Math Problem Analysis

Mathematical Concepts

Linear Equations
System of Equations
Substitution Method
Comparison Method
Elimination Method

Formulas

Substitution: Solve for one variable and substitute into other equations.
Comparison: Set two expressions equal to each other by isolating the same variable in different equations.
Elimination: Multiply equations to eliminate one variable by adding or subtracting.

Theorems

Solving Systems of Linear Equations

Suitable Grade Level

Grades 9-12