Brainlag Learn / GCSE Maths
Linear equations and inequalities
Solve linear equations of every shape, including brackets and fractions, form equations from problems, and solve and show inequalities.
Lessons
- Solving one- and two-step equationsKeep the equation balanced and undo each operation in turn; answers can be negative or fractions. 20 min, with the Equation Solver, free
- Unknowns on both sides and bracketsCollect the unknown on one side, expand brackets first, and cope with negative and decimal coefficients. 25 min, with the Equation Solver, free
- Equations with fractionsClear fractions by multiplying every term, including two fractions on one side and the unknown on the bottom. 25 min, Plus
- Forming and solving equationsTurn a problem into an equation: perimeters, angles, ages, prices and plans. Then answer the question that was asked. 25 min, with the Graphing Calculator, Plus
- Linear inequalitiesSolve inequalities like equations, reverse the sign when you divide by a negative, and show and list the solutions. 25 min, with the Equation Solver, Plus
Practise and test
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