3(1-x/3) =5x-1/9
3-x=5x- 1/9
-x-5x= -1/9-3
-6x= -28/9
x= 14/27
Odpowiedź:
3(1 - x/3) = 5x-1/9 [mnozymy 3×1 oraz 3 × x/3]
3 - x = 5x - 1/9
3 = 5x - 1/9 + x
3 + 1/9 = 5x + x
3 1/9 = 6x |:6
14/27 = x
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3(1-x/3) =5x-1/9
3-x=5x- 1/9
-x-5x= -1/9-3
-6x= -28/9
x= 14/27
Odpowiedź:
3(1 - x/3) = 5x-1/9 [mnozymy 3×1 oraz 3 × x/3]
3 - x = 5x - 1/9
3 = 5x - 1/9 + x
3 + 1/9 = 5x + x
3 1/9 = 6x |:6
14/27 = x