Two equations, one common solution
Use elimination and substitution to find a pair that satisfies two equations and verify both conditions.
Open the complete free lessonMathematics → JSS3 / BECE → Algebra
Simultaneous linear equations
FREE LESSON AVAILABLESolve pairs of linear equations by elimination/substitution and interpret solutions in context.
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- Linear equations
- directed numbers
Curriculum context: JSS3 / BECE / Junior-WAEC fit · Nigeria
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Related topics and learning continuation.
Simple equations & word sentences
Solve simple linear equations and translate short word sentences into equations.
Learn free: Solve an equation without losing the balanceFactorisation: common factors, grouping & quadratic structure
Factorise algebraic expressions using common factors, grouping and simple quadratic patterns.
Simple equations & linear inequalities
Solve linear equations and inequalities while preserving equality/inequality logic.
Algebraic language & simplifying expressions
Translate verbal relationships into algebraic expressions, identify terms/coefficient and collect like terms.
Expanding, factorising & algebraic fractions
Expand brackets, factorise common factors and simplify basic algebraic fractions where defined.
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