Math Problem Statement
Find x if f ( x ) = 2 x + 7 and f( x ) = –1.
1 = x –4 = x 0 = x –2 = x
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Formulas
f(x) = 2x + 7
Theorems
Basic Equation Solving
Suitable Grade Level
Grades 6-8