Question

4. Aflați x din proporţia:
a) x-1/12x+10 = 1/3
b) x+1/3x-1 = 1/2


D-au coroană!​

Answer 1

Răspuns:

a) x-1/12x+10=1/3

(x-1)*2=12x+10

2x-1=12x+10

10x=-11

x=-11/10

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

(x+1)*2=3x-1

2x+2=3x-1

x=3

Sper ca te-am ajutat!