August 2022 1 12 Report
Какие уравнения являются равносильными:                                          

a)3(х – 2) = –6 и 3х – 6 = –6;
b)ни какой
c)–0,1х + 0,1х = 0 и 0,2х = 0  
d)2х – 7 = 3 и 2х = –4;
e)х=3 и 3x=3​
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