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Verified answer
Itu jawabannya.. nomer 2 maaf kalo salahx + y = 5
persamaan ke 2 dikali 5
5x - 2y = 10
5x + 5y = 25
_________-
3y = -15
y = -5
sub ----->
5x - 2y = 10
5x + 10 =10
5x = 0
x = 0
j
-5x + 1/4 =-3× + 12
-5x + 3x = 12 - 1/4
-2x = 47/4
x = -47/8
semoga membantu...
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