lilpeanutchick lilpeanutchick

04-01-2019
Mathematics

contestada

6x +5y + 10 =0 4x-7y +25 =0 linear combination

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mathecoach mathecoach

04-01-2019

Answer:

Mayby you should solve this equations.

I. 6x + 5y + 10 = 0

II. 4x - 7y + 25 = 0

2*I - 3*II

31y - 55 = 0

31y = 55

y = 55/31

6x + 5*55/31 + 10 = 0 --> x = -195/62

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