Pair of Linear Equations in Two Variables

2 solved questions from Class 10 Mathematics, each with the full working. Tap any question to see the step-by-step solution.

• 1 Determine whether the pair of equations 5x - 2y = 7 and 10x - 4y = 20 are consistent, inconsistent, or represent the same straight line. Justify your answer. medium 3 marks Consistency of linear equations
• 2 Solve the pair of equations 2x + 3y = 7 and x - y = 1 by the method of substitution. easy MCQ 1 mark Substitution method