September 2018 1 31 Report

zad 1

wykonaj działania:

a)6x+15x=

b)- 2x +6x=

c) - 8x +3y=

d)- 12a -20a =

e)- 3c +2c- 20c=

f) -3t-10t +11t =

g)-5t-(-4t)-7t=

h)- k-k-(-k)+(-8k)

i)-(-3m)-2m+(-4m)=

zad 2

Zredukuj wyrazy podobne i zapisz w prostszej postaci:

a)2x+y-x+4y=

b)3x-2+14x=

c)8x-4-15x-7=

d)-5x+3y -6x - 13 y=

e)0,5x+2,1y+3,7x - 0,2y=

f)1/3x-y-y-2/3x=

Za pierwszą odpowiedz dam naj !!!


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