janaewillis78 janaewillis78

17-03-2020
Mathematics

contestada

Select all the statements that correctly describe the solutions to this system of equations?
2x-y= 0
x+y=9

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hanifchoirunnisa hanifchoirunnisa

17-03-2020

x + y = 9

x = 9 - y

2x - y = 0

2(9 - y) - y = 0

18 - 2y - y = 0

-3y = -18

y = 6

x = 9 - y

x = 9 - 6

x = 3

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