Jawabanmu

2014-04-11T20:56:22+07:00
3x+2y=-7 Ix 1 > 3x+2y=-7
x-5y=-25 Ix 3 > 3x-15y=-75
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17y=68
y=4
x-5y=-25
x-20=-25
x=-5
6x+4y=6.-5+4.4
=-30+16
=-14

hahaha, iya ,,,
selesai :)
jawabannya = -14 <--
yap , ada , makasih