Question

1) solve for X and y
(i) x+y=5
(ii) x-3y=1






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Answer 1

Answer:

x=1  y=4

Step-by-step explanation:

x+y = 5

x-3y = 1

Subtract  so that x cancels

x + y -(x) -(-3y) = 5 -(1)

= 4y = 4

y = 4

If y = 4 then

x = 5 - y

x = 5-4

x = 1

So (x,y) =  (1,5)

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