September 2018 2 11 Report

Oblicz:

1. x + 20% x = x + 7

2. (x + 3) = 2 (x + 5) + 2

3. 1/5 (z - 3) + 0,4z = -1,6 (z - 2) + 2,9

Z góry dzięki. : )


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