Set up the equation | Math Challenge

追加: 2026-05-17

This video presents a classic algebraic word problem: 'If a brick weighs 1 kg plus half a brick, how heavy is a whole brick?' The solution involves setting up the equation x = 1 + x/2, where x represents the total weight of the brick. Solving this equation: x - x/2 = 1, which simplifies to x/2 = 1, and therefore x = 2 kg. This demonstrates how algebraic equations can model real-world relationships and solve for unknown quantities.