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rezolvati ecuatia
(x+1).10+1=9(x+2)


Răspuns :

[tex](x+1)*10+1=9*(x+2) \\ 10x+10+1=9x+18 \\ 10x+11=9x+18 \\ 10x-9x=18-11 \\ x=7.[/tex]
[tex](x+1) \cdot 10+1=9(x+2) \\ 10x+10+1=9x+18 \\ 10x-9x=18-10-1 \\ x=7[/tex]