Question

which pair of linear equations does describe this situations?


$2x + y = 19and \: x + y = 13$
$x + 2y = 19 \: and \: 2x + y = 13$
$2x + y = 38 \: and \: x + y = 13$
$2x + y = 38 \: and \: 2x + y = 13$

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Answer 1

Answer:

Simultaneous linear equation