CBSE · Class 7 · Mathematics · Simple EquationsFind the solution of the equation $3x = 15$.
Step-by-Step Solution
In the equation $3x = 15$, $3$ is multiplied by $x$. To isolate $x$, we divide both sides of the equation by $3$. Thus, $x = 15 / 3$, which simplifies to $x = 5$.
Detailed Options Breakdown
Option : 3
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Simple Equations.
Option 1: 5 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 12
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Simple Equations.
Option 3: 45
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Simple Equations.
💡 Study Guide: This question tests core syllabus concepts from Simple Equations. For formulas, key summaries, and mock exam reference guides, read the full Simple Equations Revision Notes.