uprość wyrażenia algebraiczne a)-5x+4y-y-7x-9y b)4x+5-x-4+x-3x c)0,5a-2a+9-0,5a-11,5
a) = -12x-6y
b) = x+1
c) = -2a-2,5
a)-5x+4y-y-7x-9y=-12x-6y
b)4x+5-x-4+x-3x=x+1
c)0,5a-2a+9-0,5a-11,5=-2a-2,5
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a) = -12x-6y
b) = x+1
c) = -2a-2,5
a)-5x+4y-y-7x-9y=-12x-6y
b)4x+5-x-4+x-3x=x+1
c)0,5a-2a+9-0,5a-11,5=-2a-2,5