Odpowiedź :
[tex]4x=480\cdot250\\4x=120\,000\,|\div4\\\boxed{x=30\,000}\\\\100x+55x=31\,000\\155x=31\,000\,|\div155\\\boxed{x=200}[/tex]
Zadanie
4x = 480 · 250 l:4
x = 120 · 250
x = 30000
100x + 55x = 31000
155x = 31000 l :155
x = 200
[tex]4x=480\cdot250\\4x=120\,000\,|\div4\\\boxed{x=30\,000}\\\\100x+55x=31\,000\\155x=31\,000\,|\div155\\\boxed{x=200}[/tex]
Zadanie
4x = 480 · 250 l:4
x = 120 · 250
x = 30000
100x + 55x = 31000
155x = 31000 l :155
x = 200