Explains, with examples, how to solve a system of equations using the addition (or elimination) method.
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Online Math Learning.com
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Step-by-step solutions to odd-numbered problems from dozens of algebra textbooks.
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Hotmath
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This video includes sample problems and step-by-step explanations of graphing inequalities and testing assertions for the California Standards Test.
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Khan Academy
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Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.
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Paul's Online Math Notes
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How to solve equations with absolute value in variables
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SOS Math
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Shows example problems for the common word problem involving cost of tickets, number of tickets sold, and dollar amount collected.
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Online Math Learning.com
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The perfect study site for high school, college students and adult learners. Get help to do your homework, refresh your memory, prepare for a test, ....
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SOS math
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This site provides graphing tools. The GCalc 3 menu has several options for graphing. One nice aspect of this site is that multiple functions can be graphed in different colors on the same screen. Another useful feature is that it is easy to copy and paste or print the graphs that are generated.
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GCalc - Java Online Graphing Calculator
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Explains the difference between inconsistent, dependent and independent systems.
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algebra.com
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