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rezolva in R ecuatia 5x-1=3(5x-2) dau coroana

Răspuns :

5x-1=3(5x-2) <=> 5x-1 = 15x-6 => 10x = 6-1 = 5 => x= 5/10 = 1/2 =0,5
5x-1=3*5x-3*2
5x-1=15x-6
15x-5x=-6+1
10x=-5
x=-5/10