rylirobbins rylirobbins

20-11-2019
Mathematics

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Is each pair of systems equivalent? Explain.
3x − 4y = −6 6x − 8y = 12
2x + 5y = 1 6x + 15y = 3

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zaina05 zaina05

20-11-2019

No. 3x - 4y = -6 is not equal to 6x - 8y = 12. If you multiplied the first equation by 2, it would be 6x - 8y = -12, not 6x - 8y = 12. As for the second pair, if you multiply 2x + 5y = 1 by 3, it would be 6x + 15 = 3. So the second pair are equal.

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