Question

Det. in fiecare caz nr. nat. x pt. care sunt valabile urm relatii:
a)9:(x-1) b)25:(2x+1) c)48:)5x-3 d)x-1/8 e)2x-1/35 f)3x+2/65.


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Answer 1

a)9:(x-1)

x=2; 4; 10

b)25:(2x+1)

x=0; 2

c)48:(5x-3)

x=1; 3

$d)x - \frac{1}{8}$

x=1; 2; 3; 4; .......infinit

$e)2x - \frac{1}{35}$

x=1; 2; 3; 4; .........infinit

$f)3x + \frac{2}{65}$

x=1; 2; 3; 4; ..........infinit