October 2018 1 7 Report

Rozwiąż równania dowolnym sposobem:

1) 20 + 5z = 3 - 8z - 1 + 4z

2) -22 - 8y + 15 - 16y + 4y = -27

3) 3 - 15 ( 2x + 3) = 18

4) 8y - 6( 3y - 5) = 4y

Z góry dziękuję.


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