Pomocy :Jeżeli 6x-2 4_____ = ____ to :2+3x 3A. x=1/3 B. x=3/7 C. x=3 D. x=7/3
odp.są w ułamkach
( 6x - 2) / ( 2 + 3x) = 4/3
(6x -2)*3 = (2 +3x)*4
18x - 6 = 8 + 12x
18x -12 x = 8 + 6
6x = 14 / : 6
x = 14/6 = 7/3
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( 6x - 2) / ( 2 + 3x) = 4/3
(6x -2)*3 = (2 +3x)*4
18x - 6 = 8 + 12x
18x -12 x = 8 + 6
6x = 14 / : 6
x = 14/6 = 7/3
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