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2014-09-03T20:37:06+07:00
3 x Y = 3y
(3 x Y) + 10= (2 x Y)
3y + 10 = 2y
3y - 2y = -10
y = -10
2 5 2
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2014-09-03T20:39:14+07:00
(3Y) + 10 = 2Y
3Y - 2Y = -10
Y = -10