September 2018 2 33 Report

Zapisz w jak najprostszej postaci:

a) 3(2x - 1) + 4(1 - x) =

c) -2x(8 -x) - 5(x(do potęgi 2 to x) + 3x) =

e) 2x + 5 - 3x - 12

---------

3

g) 9-6x 21 - 14x

------- - ---------

3 7


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