Question

suma solutiilor reale ale ecuatiei |x-1|=3
a. 1
b. 3
c. 2 radical din 5
d.2
e.5

(mi le puteti enumera daca puteti,va rog?)

Answer 1

|x-1|=3 inseamna:
x-1= 3 => x=3+1=4
x-1= -3 => x= -3+1= -24+(-2)=2 ----> varianta d

Answer 2

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