In this lesson on elementary algebra, students learn how to write word statements as variable equations and solve them. They also learn how to substitute values into variables in formulas and solve for an unknown variable. The lesson includes examples of solving for the measures of angles in a triangle and solving formulas for the area of a trapezoid, perimeter of a rectangle, and circumference of a circle. The instructor uses clear explanations and step-by-step examples to make the material accessible to learners of all levels.
Writing word statements as variable equations and solving, and substituting values into variables in formulas and solving for an unknown variable.
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