genzmintz genzmintz

15-03-2019
Mathematics

contestada

Solve by elimination

{ 10x - 8y = 4
{ -5x + 3y = -9

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zacman63 zacman63

15-03-2019

Multiply second equation by 2. -10x + 6y = -18 and add it to the first . -2y=-14, y=7 and x=6

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