a ) -7+3y+9+2y= b) x-3x+2-2x-7= c) - 5x+4y-y-7x-9y= d) 4x+5-x-4=x-3x= e) 0,5a-2a=9-0,5a-11,5= f) -14k+9k-13+k+3+4k= uprość wyrażenia algebraiczne .
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a ) -7+3y+9+2y=5y+2
b) x-3x+2-2x-7=-4x-5
c) - 5x+4y-y-7x-9y=-12x-6y
d) 4x+5-x-4+x-3x=x+1
e) 0,5a-2a+9-0,5a-11,5=-2a-2,5
f) -14k+9k-13+k+3+4k=-10
a ) -7+3y+9+2y=2 +5y
b) x-3x+2-2x-7=-5
c) - 5x+4y-y-7x-9y=-12x-6y
d) 4x+5-x-4=3x-1
f) -14k+9k-13+k+3+4k=10
pozdrawiaaam ; )