October 2018 2 13 Report

Znajdź niewiadomą liczbę, proszę o obliczenia. Daje naj . Z góry dziękuję :)

a) 12z - 7 = 17

b) -6w - 10 = 14

c) 7w + 1 = -2w + 28

d) -5m - 20 = -2m - 2

e) 3x = 2 = 20

f) -x +7 = 5x + 1

g) 4z + 35 = -z + 5

h) 2x - 2 = 4x - 2

i) -2z + 4 = 14

j) 6y + 30 = -2y - 2


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