👤

3²×[3² ×(x:3² - 222)+1^{1999} = 10

Răspuns :

9x[9x(x/9-222)+1]=10
9x(x/9-222)+1=10/9
9x(x/9-222)=10/9-9/9=1/9
x-1998=1
x=1+1998=1999