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In a series of practice problems, learners use the substitution method to solve systems of linear equations, also called "simultaneous linear equations."
Simplifying and Multiplying Algebraic Fractions
By Jim Cihak
In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions so that they can then be multiplied. This activity has audio content.
Fundamental Laws of Algebra
By Allen Reed, Douglas Jensen
Learners review the fundamental laws of algebra including the commutative law of addition, the commutative law of multiplication, the associative law of addition, the associative law of multiplication, and the distributive law. Examples are given.
An Algebraic Word Problem Involving Motion: Case 1
By Kevin Ritzman
In this animated and interactive object, learners use an algebraic formula to solve a problem involving distance, rate, and time.
Statics: Resultant Calculations via Graphical Method
By Steve Whitmoyer
In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.
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