Zapisz w jak najprostszej postaci: -4(3y+)+9y
-4(3y+1/4 )+9y
-12y -1 +9y-3y-1
-4(3y+1/4)+9y= -4(3y+0,25)+9y= -(12y+1)+9y= -12y-1+9y= -3y-1
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-4(3y+1/4 )+9y
-12y -1 +9y
-3y-1
-4(3y+1/4)+9y= -4(3y+0,25)+9y= -(12y+1)+9y= -12y-1+9y= -3y-1