Solving Simple Equations
Overview
Goal. Solve a one-step equation by undoing the operation attached to the variable, and check the solution by substituting it back into the original equation.
Solution of an equation (definition). A value of the variable that makes the equation true.
Lesson Notes
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Lesson Video
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Interactive Activity
Goal. Solve one-step equations by choosing the right undoing operation, then entering solutions yourself — and check every answer by substituting.
Solution of an equation (definition). A value of the variable that makes the equation true.