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Ligningssystemer med substitutionsmetoden: y = -1/4x + 100 og y = -1/4x + 120

Lær at løse ligningssystemet y = -1/4x + 100 og y = -1/4x + 120 med substitutionsmetoden. Lavet af Sal Khan og Montereys Institut for teknologi og undervisning.

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