Posted by Ally on Thursday, November 10, 2011 at 12:14am.
9 * 4 * 3 = 108
1 / 9 = 12 / 108
5 / 6 = 90 / 108
3 / 4 = 81 / 108
1 / 9 + x = ( 5 / 6 ) x - 3 / 4
12 / 108 + x - ( 5 / 6 ) x = - 81 / 108
6x / 6 - ( 5 / 6 ) x = - 81 / 108 - 12 / 108
( 1 / 6 ) x = - 93 / 108 Multiply both sides with 6
x = 6 * ( - 93 ) / 108
x = 6 * ( - 93 ) / ( 6 * 18 )
x = - 93 / 18
multiply each term by 108 , the LCD found also by anonymous
12 + 108x = 90x - 81
18x = -93
x = -93/18
x = -31/6
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