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Solving equations & inequalities

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Why we do the same thing to both sides: Variable on both sidesIntro to equations with variables on both sidesEquations with variables on both sides: 20-7x=6x-6Equation with variables on both sides: fractionsEquation with the variable in the denominator
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Equations with variables on both sidesGet 3 of 4 questions to level up!
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Equations with parenthesesMulti-step equations review
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Equations with parenthesesGet 3 of 4 questions to level up!
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Number of solutions to equationsWorked example: number of solutions to equationsCreating an equation with no solutionsCreating an equation with infinitely many solutions
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Number of solutions to equationsGet 3 of 4 questions to level up!
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Linear equations with unknown coefficients
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Inequalities with variables on both sidesInequalities with variables on both sides (with parentheses)Multi-step inequalities
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Multi-step linear inequalitiesGet 3 of 4 questions to level up!
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Compound inequalities: ORCompound inequalities: ANDA compound inequality with no solutionDouble inequalitiesCompound inequalities examplesCompound inequalities review
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Compound inequalitiesGet 3 of 4 questions to level up!

About this unit

In this unit, we learn how to solve linear equations and inequalities that contain a single variable. For example, we'll solve equations like 2(x+3)=(4x-1)/2+7 and inequalities like 5x-2≥2(x-1).