Simultaneous Equations
Solving Rational Equations (Part 2)

Simultaneous Equations

Solving linear equations {revision}

• Solving basic linear equations
• Solving more complex linear equations
• Unknowns on both sides

Solving rational equations

• Solving rational equations (part 1)
• Solving rational equations (part 2)
• Solving rational equations (part 3)

Linear inequalities

• Solving linear inequalities​

Graphs of linear equations

• Finding the gradient
• Perpendicular gradients
• Graphing linear equations (slope-intercept form)
• Graphing linear equations (standard form)

Solving simultaneous equations (bicycle problem)

• Introduction problem
• Graphical solution
• Solution by substitution
• Solution by elimination​

Rational equations are equations involving fractions. To solve rational equations, we multiply all fractions with the lowest common denominator, then equate the result. For fractions whose denominators involve the variable, the lowest common denominator is found in the same way as for numerical fractions.