September 2018 1 19 Report

Uprość wyrażenia :

2x+1+3x=

5-3x+7=

2,5x-2,5x+x=

2a-3a+7-6=

3x-6+4x+2=

3x-1-4x+6=

Zapisz w prostrzej postaci :

3x+4x+5y-2y=

2a+b-4b=

3x-y+4x-2y

(-2a)+2b-3a-3b


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