Jawabanmu

2014-04-03T17:47:20+07:00
1/2x+7/2 = 5/3x-2, 7/2+2 = 5/3x-1/2x, 7/2+4/2= 10/6x-3/6x, 11/2 = 7/6x, 11/2×6/7=x, 66/14=x, 33/7=x
2014-04-03T17:49:35+07:00
 \frac{1}{2} ( x + 7 ) =  \frac{1}{3} ( 5x - 6 )
 \frac{x+7}{2}  \frac{5x - 6}{3}
3(x+7) = 2(5x-6)
3x + 21 = 10x - 12
3x - 10x = -12 -21
-7x = -33
x =  \frac{33}{7}
x = 4,7

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