September 2018 2 12 Report

Heh. Mam zadania z matmy i szukam pomocy. Zadania są o redukcjii wyrazów podobnych.

a) 2x-7-[3-2x-2(1-2x)]=x-11

b) 1-2x-3[2x-(-5+x)]=x+4

c) 3+\frac{8+x}{2}=2x+13


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