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"One difficult type of Algebra problem are word problems asking about the sum of digits in a two digit number. Solving systems of equations by substitution is one of the most common ways to solve sum ...
"To solve word problems where someone is selling multiple items, a background knowledge of setting up a system of equations is necessary. Problems where someone is selling multiple items are common on ...
"To solve rate word problems, knowledge of solving systems of equations is necessary. Rate word problems include problems dealing with rates, distances, time and wind or water current. Other types of ...
Video Matemáticas
"Percents can be confusing, but there are methods we use to make them easier for us. Percents can be rewritten as fractions, or proportions, or as decimals. We can use multiplication and division to f ...
Video Matemáticas
"Setting up a system of equations is usually effective when solving age word problems involving the ages of two people. Knowing how to solve systems of equations is necessary to solve these types of p ...
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