x+2=3supra8
x-1 1supra7=7,06


Răspuns :


[tex]x + 2 = {3}^{8} \\ x + 2 = 6561 \\ x = 6561 - 2 \\ x = 6551 \\ \\ x - {11}^{7} = 7.06 \\ x - {11}^{7} + {11}^{7} = 7.06 + {11}^{7} \\ x = 19487178.06[/tex]