Question

elimination method
$11x - 5y + 61 = 0 \\ 3x - 20y - 2 = 0$
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Answer 1

Step-by-step explanation:

X= -6

y= -1

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Answer 2

Answer:

Step - by - step explanation :

$11x - 5y + 61 = 0 \: = > 11x - 5y = - 61 \\ 3x - 20y - 2 = 0 = > 3x - 20y = 2 \\ multiply \: equation \: 1 \: with \: 4 \\ = > 44x - 20y = - 244$

$44x - 20y = - 244 \\ 3x \: - 20y \: = 2 \\ - \: \: \: \: \: \: \: + \: \: \: \: \: \: \: \: \: - \\ - - - - - - - - - \\ 41x \: \: \: = - 246 \\ = > x = \frac{ - 246}{41} = - 6$

11x - 5y + 61 =0

=> 11× -6 - 5y + 61 =0

=> -66 -5y +61 =0

=> -5y -5 = 0

=> -5y = 5

=> y = 5/ -5

=> y = -1