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SAT Math · AlgebraQ 7 of 44

If 3(x − 2) = 2x + 9, what is the value of x?

  • 3
  • 11
  • 15
  • 21

WhyDistribute first: 3x − 6 = 2x + 9. Subtract 2x, then add 6 - x = 15. Choice B is what you get if you forget to distribute the 3 across the −2.

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