October 2018 1 14 Report

1.Rozwiąż równania . Proszę zróbcie mi też sprawdzenie . Dam przykład .

Przykład : a) x + 75 = 57 |-75

x = 57 - 75

x = - 18

spr. L = - 18 + 75 = 57

P = 57

L=P .


a) x + 75 = 57
b) 1 2/3 + y = 2 3/4
c) x - 34 = -35
d) 3x = 2x = 1/7
e) 3 - x = 2x
f) 5y = 13
g) 1/7x = -2
h) -7b = 7/8
i) 7a + 7 = 35
j) 2 - x = 5-2x
k) 69 - x = x =96
l) 1/2x + 5 = x + 8



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