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Rezolvati in R ecuatia : 3(2x -3 ) -(x-1 ) = -3

Răspuns :

[tex]3(2x-3)-(x-1)=-3 \\ 6x-9-x+1=-3 \\ 5x-8=-3 \\ 5x=-3+8 \\ 5x=5=\ \textgreater \ x=1. \\ \\ Solutie:x=1.[/tex]
6x-9 -x+1= -3
5x= -3-1+9
5x= -4+9
5x=5
x = 5:5
x= 1