18WolczynskiM 18WolczynskiM

24-04-2021
Mathematics

contestada

Solve the simultaneous equations x − y = −1 and 2x − y = 0

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yinaanna0 yinaanna0

24-04-2021

Answer:

X=1, y=2

Step-by-step explanation:

Use the first equation minus the second equation:

(x-2x)-(y-(-y))=-1

-x=-1

x=1

1-y=-1

y=2

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