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x+1 supra 4 =3 ajutatima urgent


Răspuns :

[tex] \frac{x+1}{4} [/tex] = 3⇒x+1=3×4⇒x+1=12⇒x=12-1⇒x=11
Răspuns final: x=11
[tex]x+ \frac{1}{4} =3\\\\ x= \frac{3}{1} - \frac{1}{4} \\\\ x= \frac{3*4}{1*4} - \frac{1}{4} \\\\ x= \frac{12}{4} - \frac{1}{4} \\\\ x= \frac{11}{4} \\\\ x=2,75(rotunjit=3) [/tex]