haileym368 haileym368

03-06-2021
Mathematics

contestada

2x−15y=−10 −4x+5y=−30
Solve the following system for y:

2x15y10 4x5y30 Solve the following system for y class=

Respuesta :

hjksaghn2 hjksaghn2

03-06-2021

Answer:

10

Step-by-step explanation:

multiply the first equation by 2 in order to be able to cancel out the -4z and the 2x

4x-30y=-20

-4x+5y=-30

50y+5y = -20+(-30)

55y=-50

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