If 5x − 4 = 21, find x.
- A.4
- B.5 ✓
- C.6
- D.7
Explanation: 5x = 25, so x = 5.
Class 6 IMO Mathematics Olympiad practice · Algebraic Thinking · Simple Equations & Missing Numbers
← All Simple Equations & Missing Numbers questionsClass 6 · Olympiad Prep
Class 6 IMO Mathematics Olympiad practice · Algebraic Thinking · Simple Equations & Missing Numbers
← All Simple Equations & Missing Numbers questions