Math Problem Statement
1) Solve for X: X + 7 = 15
2) Solve for X: 5(X + 8) = 10
3) Expand and simplify: (X + 1)(X - 2)
Solution
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Math Problem Analysis
Mathematical Concepts
Basic Algebra
Linear Equations
Polynomial Expansion
Formulas
Linear equation: ax + b = c
Distributive property: a(b + c) = ab + ac
Theorems
Basic properties of equality
Distributive Property
Suitable Grade Level
Grades 6-8