SAT Math

Category - Algebra and Functions

Solve the following for y if x = 7:

y = 3x - 3
  1. 7
  2. 0
  3. 18
  4. 21
Explanation
Answer: C - If we know that x = 7, then y = 18. To solve it, multiply the 3 and 7 and then subtract 3. The result is 18.
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