Question

gaseste valoarea lui x [(120x12+250x45):5-x=2507

Answer 1

Răspuns:

(120*12+250*45):5-x = 2507

(1440+11250):5 -2507 = x ;

x = 12690:5-2507 ;

x = 2538-2507 = 31 ;

Answer 2

(1440+11250)÷5-x=2507

2538-x=2507=>x=31