Free SAT Practice Question

Question 1 of 1
ID: SAT-MATH-AG-029
Section: SAT Math - Algebra
Topic: Linear equations in one variable
Difficulty level: Easy

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A technician calibrates a sensor so that its reading \(R\) is related to the input value \(x\) by the equation \(R = 3x - 9\). For what input value \(x\) does the sensor read \(33\) ?

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