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Solve the simultaneous equation x + y = 2 and x - y = 1​

1 Answer

1 vote

Answer:

(3/2, 1/2)

Explanation:

Solve by elimination:


x+y=2\\+x-y=1

The y's cancel


2x=3

Divide by 2


x=(3)/(2)

Plug back in


(3)/(2) +y=2

subtract


y=2-(3)/(2)


y=(1)/(2)

So, your answer:


((3)/(2),(1)/(2))

User Nandesh
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