Răspuns :
214+x=5003
x=5003-214
x=4789
214+4789=5003
823-x=597
x=823-597
x=226
823-226=597
x-198=5718
x=5718+198
x=5916
5916-198=5718
x=5003-214
x=4789
214+4789=5003
823-x=597
x=823-597
x=226
823-226=597
x-198=5718
x=5718+198
x=5916
5916-198=5718
214+x=5003
x=5003-214
x=4789
823-x=597
x=823-597
x=226
x-198=5718
x=5718+198
x=5916
x=5003-214
x=4789
823-x=597
x=823-597
x=226
x-198=5718
x=5718+198
x=5916