rozwiaz rownanie ( dokladnie )
(x+x+2)*12=102
(2x+2)*12=102
24x+24=102
24x=102-24
x=(102-24)/24
12x+12x+24=102
24x=78/:24
x=3.25
:) Proszę :D
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(2x+2)*12=102
24x+24=102
24x=102-24
x=(102-24)/24
12x+12x+24=102
24x=102-24
24x=78/:24
x=3.25
:) Proszę :D