lauMickenolidosens lauMickenolidosens

17-07-2016
Mathematics

contestada

3x - 4y = 73x 2y = -5when the second equation is subtracted from the first, the resulting equation is _____.

Respuesta :

Ckaranja Ckaranja

17-07-2016

It will depend on the sign of 2y. If it's positive;
3x-4y=7
3x+2y=-5
___________
-6y=12

If 2y is, however, negative;
3x-4y=7
3x-2y=-5
------------
-2y=12

Answer Link

Tundra9 Tundra9

26-10-2020

Answer: -2y=12

Step-by-step explanation:

Answer Link

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