Math Problem Statement
2x+3y+3z=90 y−3z=20
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Systems of Equations
Formulas
Substitution method for solving linear equations
Linear equation in the form ax + by + cz = d
Theorems
Basic properties of linear equations
Methods of solving systems of equations (substitution, elimination)
Suitable Grade Level
Grades 9-12
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