08-08-2020
Mathematics

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Which of the following systems has (1,−1) as a solution? 1. 3x−2y=1 5x+3y=8 2. 3x+2y=1 5x+3y=−8 3. 3x+2y=1 5x−3y=8 4. 2x+3y=1 5x−3y=−8

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sigup01 sigup01

08-08-2020

2. 3x+2y= 1 and 5x+3y=-8

solution: In picture.

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