October 2018 2 20 Report

Rozwiąż i sprawdź równania:

a) 4-3(x-2) = 13

b) -9(2y-7) +4y=5(1-y) -2(1 - 3y)

c) 5(2a - 3) -6(3a-4)= 5a - 4

d) 10z - 3(2z +1) = 0,6 e) 2w - 2/5( 1 i 1/5 w +1) = 0,72w


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