September 2018 1 12 Report
Sprawdz, czy podana liczba jest rozwiazaniem rownania.

a) 3(x-2)+5=4-3,5x 1
b) -(1-x)+1=x 1
c) 3/4x-28=10x+56 -12
d) x(x+2)-8=2(x-4) 0

prosze o odpowiedz (jak mozna to z obliczeniami)
proszeee
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