Question

rezolvati :

x- 3 supra 4 = 5 supra 2

Dau coroana

Answer 1

x-3/4=5/2
x=5/2+3/4
x=13/4
.......................

Answer 2

x-3/4=5/2 le inmultesti in cruce si vine 

2(x-3)=4*5
2x-6=20
2x=26
x=13