Răspuns :
5/2 * x = 125/18
x = 125/18 : 5/2
x = 125/18 x 2/5
x = 25/9 ( sau 2,(7) )
x = 125/18 : 5/2
x = 125/18 x 2/5
x = 25/9 ( sau 2,(7) )
5/2*x=125/18<=>5x=250/18<=>x=250/18*1/5<=>x=25/9