Question

x+y=36 and x-y=4 by elimination method

Answer 1

$x + y = 36 \\ x - y = 4 \\ - - - - - - \\ 2x + 0y = 40 \\ 2x = 40 \\ x = \frac{40}{2} \\ x = 20$

Put value of x in x+y=36

20+y=36

y = 36-20

y = 16

Answer 2

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Step-by-step explanation:

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