Răspuns:
22-[59+2x(5+7x i )-1]:9=2/+22
[59+2x(5+7 x i)-1]:9=24/+1
[59+2x(5+7 x i)-1]:9=25/x9
59+2x(5+7x i)-1=225/+59
2x(5+7x i)-1=284/+1
2x(5+7x i) =285/X2
5+7xi=370/+5
7 x i=375/x7
i=2625