OML Search

Simultaneous Equations - Logarithms

Related Topics:
More Lessons for A Level Maths
Math Worksheets



Examples, solutions, videos, activities, and worksheets that are suitable for A Level Maths to help students learn how to solve exponential and logarithmic simultaneous equations.

Solving exponential equations
Solving exponential equations where a substitution is needed and exponential simultaneous equations.
Examples:
1. Solve the equation
2x + 21-x = 3

2. Solve the simultaneous equations
3x × 9y = 1
22x × 4y = 1/8



How to solve simultaneous equations that use logarithms?
Example:
Solve the simultaneous equations
log3x + log3y = 2
log3(2y - 3) - 2log9x = 1


Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Mathway Calculator Widget


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.