Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Geometry
Angle Relationships
Formulas
x + 9 + 3x - 2 = 180 (adjacent angles on a straight line)
4x + 7 = 180
x = 43.25
Theorems
Adjacent angles on a straight line are supplementary (sum to 180°)
Suitable Grade Level
Grades 8-10