17=11-12x=?
Z góry dziękuje.
17=11-12x
11-12x=17
-12x=17-11
-12x=6 |:(-12)
x=-½
17-11=-12x
6= -12x
12x= -6/12
x= -6/12= -1/2
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17=11-12x
11-12x=17
-12x=17-11
-12x=6 |:(-12)
x=-½
17=11-12x
17-11=-12x
6= -12x
12x= -6/12
x= -6/12= -1/2