Linear equations and inequalities
10 videos
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Algebra - Linear Equations & Inequalities: What You Need to Know
Introduction to solving equations and inequalities, covering one-step equations, variables on both sides, inequalities, and proportions with real-world applications.
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Algebra - Solving One-Step Equations
Learn to solve one-step equations by applying inverse operations to both sides. Master the balance rule with examples like x - 5 = 12 and 4x = 28.
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Algebra - Solving Two-Step Equations
Learn how to solve two-step equations by isolating the variable through inverse operations. Includes step-by-step examples and verification methods.
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Algebra - Two-Step Equation Word Problems
Learn to solve linear equations by working through a real-world pizza shop problem involving hourly wages and uniform costs to find total hours needed.
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Algebra - Solving Equations with Parentheses
Learn how to solve equations with parentheses using the distributive property. Step-by-step walkthrough of solving 3(2x+5)=4x+7 with verification.
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Algebra - Introduction to Inequalities
Learn how inequalities differ from equations and how to solve them. Covers basic solving steps and the crucial rule about flipping signs when multiplying or dividing by negatives.
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Algebra - Solving Multi-Step Inequalities
Learn how to solve multi-step inequalities by isolating variables, understanding when to flip inequality signs, and graphing solutions on a number line.
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Algebra - Inequality Word Problems
Learn to solve inequality word problems by identifying keywords like "at least" and "at most," then translating them into mathematical inequalities and solving step-by-step.
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Algebra - Solving Proportions
Learn how to solve proportions using cross-multiplication. This video explains setting up equal ratios and solving for unknown values step-by-step.
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Algebra - Proportion Word Problems
Learn how to solve proportion word problems using cross multiplication. Example: finding the cost of 7 notebooks when 4 cost $10.