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.2 : 4 : 6 3(2x + 3)(3x − 8) = −5
(3x − 8)(x − 4)
3(2x + 3) = −5
x −4
6x + 9 = −5x + 20
11x = 11
.x =1
64 [AHSME 1950]( )
.
. 6x 4x 2x 6 4 2
2x + 4x + 6x = 46
12x = 64
x = 51
3
. 2x = 10 2
3
[AHSME 1950]( )
. 30
. 2
6
.
24 .r
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