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11 supra 4 +x =5 Rezolvati ecuatia

Răspuns :

[tex]\dfrac{11}{4}+x=5[/tex]
[tex]x=5-\dfrac{11}{4}~~~amplifici~5~cu~4[/tex]
[tex]x=\dfrac{20-11}{4}[/tex]
[tex]x=\dfrac{9}{4}[/tex]
[tex](x=9:4=2,25)[/tex]