mateochant98 mateochant98

24-02-2021
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d) 3(x - 2y) - (2x - 5y) si x = -4, y = 5

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kirabowen15 kirabowen15

24-02-2021

d) 3(x - 2y) - (2x - 5y) if x = -4, y = 5
(3x - 6y) - (2x - 5y)
3(-4) - 6(5) - 2(-4) - 5(5)
-12 - 30 + 8 - 25
-42 + 8 - 25
-34 - 25
= -59

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