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a fost răspuns

a) 3x + 1 = 5
b) 2x - 1/2 = 1/3
c) - 4x + 1/4 = 1/5​

Răspuns :

Andreibolba

a) 3x+1=5

3x=4

x=4/3

b)2x-1/2=1/3

2x=5/6

x=5/12

c)-4x+1/4=1/5

4x-1/4=-1/5

4x=1/4-1/5

4x=1/20

x=1/80

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