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2014-05-20T13:43:33+07:00
3x-4 = 32 +7x
3x - 7x = 32 + 4
-4x = 36
x = -9
2014-05-20T13:50:12+07:00
3x - 4 = 32 + 7x
3x - 7x = 32 + 4
-4x = 36
x = -9
1 4 1