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3 4 7 9 = 24: 4 solutions

Difficulty: EasyOpen in Solver

3 × 9 + 4 − 7 = 24

  1. 3 × 9 = 27
  2. 4 − 7 = -3
  3. 27 + -3 = 24

4 solutions

  • 3 × 4 × (9 − 7) = 24Steps
    1. 3 × 4 = 12
    2. 9 − 7 = 2
    3. 12 × 2 = 24
  • 3 × (4 + 7) − 9 = 24Steps
    1. 4 + 7 = 11
    2. 3 × 11 = 33
    3. 33 − 9 = 24
  • 9 × (7 − 4) − 3 = 24Steps
    1. 7 − 4 = 3
    2. 9 × 3 = 27
    3. 27 − 3 = 24

Solving hints

  • Build a factor pair: split the four numbers into two groups and try to make a factor pair of 24 — 3 × 8, 4 × 6, or 12 × 2 — then multiply the two groups.

  • No factor pair divides cleanly? Switch to sums: make two numbers add up to 24, or try shapes like (a ± b) × (c ± d) and (a + b + c) × d.

Related hands

FAQ

Can 3 4 7 9 make 24?

Yes. Every one of them is listed above with step-by-step working.

How many solutions does 3 4 7 9 have?

4 — the list above is exhaustive, so every mathematically distinct way to combine the numbers is shown.

How difficult is 3 4 7 9?

It is rated “Easy” on our four-tier scale, based on whether whole-number intermediate steps suffice, how many distinct solutions exist, and whether the hand includes a two-digit card (10–13).