Mathematics for IGCSE & O level - Equations (Section 6 - No. 29)
What is a common error when multiplying through by a number or letter to solve equations involving fractions?
Forgetting to multiply just the first term
Forgetting to multiply every term
Multiplying the denominator
Dividing the numerators
Giải thích
Remember to multiply *every* term on *both* sides of the equation to maintain balance.