Răspuns :
72:(38-x)+58=14x10
=140
72:(38-x)=140-58
=82
38-x=82x72
38-x=5904
-x=5904-38
-x=5866
x=-5866
=140
72:(38-x)=140-58
=82
38-x=82x72
38-x=5904
-x=5904-38
-x=5866
x=-5866
[72:(38-x)+58]:10=14/x 10
72:(38-x)=1400/-72
38-x=1328/-38
x=1290
72:(38-x)=1400/-72
38-x=1328/-38
x=1290