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rezolvati in R ecuatia 5x-1=3(5x-2)

Răspuns :

5x-1=15x-6
5x-15=1-6
-10x=-5 /-1
10x=5
x=5/10
x=1/2
5x-1=3(5x-2)-------desfacem paranteza
5x-1=15x-6
5x-15x= -6+1 <=>-10x= -5=>x=[tex] +\frac{1}{2} [/tex]