Zapisz w najprostszej postaci : a)3x+7y-8x-9y
b)4(-3x-4)
9y+3
c)-------
3
d)-3y(3y+ jedna trzecia)+10y
a) 3x+7y-8x-9y=-5x-2y
b)4(-3x-4)=-12x+16
c)(9x+3)/3=3x+1
d)-3y(3y+⅓)+10y=-9y²-1y+10y=-9y²+9y
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a) 3x+7y-8x-9y=-5x-2y
b)4(-3x-4)=-12x+16
c)(9x+3)/3=3x+1
d)-3y(3y+⅓)+10y=-9y²-1y+10y=-9y²+9y