Răspuns :
x=52
{[(x+7)x5]x55}:8=30/x8
[(x+7)x5]-55=240/+55
(x+7)x5=295/:5
x+7=59/-7
x=52
{[(x+7)x5]x55}:8=30/x8
[(x+7)x5]-55=240/+55
(x+7)x5=295/:5
x+7=59/-7
x=52
a= nr la care ma gandesc
[(a +7)*5 -55]:8=30
(a+7)*5-55=30*8
(a+7)*5-55=240
(a+7)*5=240+55
(a+7)*5=295
a+7=295:5
a+7=59
a=59-7
a=52
[(a +7)*5 -55]:8=30
(a+7)*5-55=30*8
(a+7)*5-55=240
(a+7)*5=240+55
(a+7)*5=295
a+7=295:5
a+7=59
a=59-7
a=52