October 2018 1 23 Report

Rozwiążcie mi te równania:
3.
a) (4 - 2x) - (x + 3) = (x - 5) + (-3 - x)
b) (3 - 2x) - (3x + 4) = - (3 - 2x) + (5x + 4)
18.
a) (x - 3) (5 - x) - 2 = (2 - x) (x - 4) + 3
b) (6 - x) (x + 2) + (x + 3) (x - 4) = 2x + 5
Prosze na dzisiaj ! ;*


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