Jawabanmu

Jawaban paling cerdas!
2014-06-03T21:03:25+07:00
Dikalikan 6 jadi... 3(x+7) = 2(5x-6) .. 3x + 21 = 10x - 12.. -7x = -33.. x= 33/7..
1 5 1
2014-06-03T21:17:01+07:00
1/2 (x + 7) = 1/3 (5x - 6)
1/2x +7/2 = 5/3x -2
7/2 + 2= 5/3x -1/2x
(7+4)/2 = (10x-3x)6
11/2 = 7x/6
66 =14x
x = 66/14
x = 4,714 

smga membntu ^^