Question

x+y=40,x-3y=4 by simultaneous equation ​

Answer 1

Answer:

x: 31

y: 9

Step-by-step explanation:

explanation is in above image.

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Answer 2

x + y = 40 .......(1)

x - 3y = 4 .........(2)

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4y = 44

y = 11

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pu y = 11 in equ-----(1)

x + 11 = 40

x = 40-11

x = 29

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Hence, solution are x = 29 and y = 11

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