Video

Systems of equations with elimination: TV & DVD (Full video)

Khan Academy
Supporting grades: 8

Description: Sal demonstrates solving a word problem by writing a system of equations and solving using the elimination method. Then solve it to find out how much each television and DVD player weighs. The first one is is that the weight of 3 televisions and 5 DVD players is 62.5 pounds. Then they told us that the weight of 3 televisions and 2 DVD players is 52 pounds.

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