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SEAMO 2020 — Paper B — Grade 3–4 Question 4

SEAMO · SEAMO 2020 — Paper B — Grade 3–4

Question 4

Define $M\star N=4M-3N$. Find $x$ if $x\star1=17$.
  1. $3$
  2. $4$
  3. $5$
  4. $6$
  5. $7$