Jawabanmu

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2014-03-06T22:42:31+07:00
-4x - 15 = 1 - 8x
-4x + 8x = 1 + 15
4x = 16
x = 4
1 5 1
2014-03-06T22:43:16+07:00
-4× + 8× = 1 + 15 -4× = 16 × = 4