Rozwiąż zadanie :
-3(x-2) = -9
Potrzebuje do 8:40 !
-3x+6=-9
-3x=-9-6
-3x=-15 /:(-3)
x=5
-3(x-2)=-9
-3x=-15/:(-3)
spr.
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-3(x-2) = -9
-3x+6=-9
-3x=-9-6
-3x=-15 /:(-3)
x=5
-3(x-2)=-9
-3x+6=-9
-3x=-9-6
-3x=-15/:(-3)
x=5
spr.
-3*(5-2)=-3*3=-9