Rozwiąż równanie 19x-1 przez 7-x = -3x
19x -1* 7- x= -3x
19x-7-x=-3x
19x-x=-3x+7
18x+3x=7
21x=7
x=0,33333333333...
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19x -1* 7- x= -3x
19x-7-x=-3x
19x-x=-3x+7
18x+3x=7
21x=7
x=0,33333333333...