Free SAT Test Questions

Question 1 of 1
ID: SAT-HA-2
Section: Math - Heart of Algebra
Topic: Linear Equations
Difficulty level: Medium

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If $y=ax-b$, where $a$ and $b$ are constant, and when $x=2$, $y=9$ and when $x=3$, $y=16$. What is the value of $a+b$? (without calculator)

A2
B10
C12
D15

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