Răspuns :
30/100x+350=x ( numitorul comun este 10)
(3x+3500)/10=10x/10
3500=7x
x=3500:7
x=500
Sper ca te-am ajutat!:)
(3x+3500)/10=10x/10
3500=7x
x=3500:7
x=500
Sper ca te-am ajutat!:)
x->lungimea traseului
I zi->30%*x km
II zi->350km.
x=?
30%*x+350=x
30x/100+350=x
3x/10+350=x
3x/10-x=-350
-7x/10=-3500/10
-7x=-3500
x=-3500/-7
x=500km in total a parcurs autoturismul.
I zi->30%*x km
II zi->350km.
x=?
30%*x+350=x
30x/100+350=x
3x/10+350=x
3x/10-x=-350
-7x/10=-3500/10
-7x=-3500
x=-3500/-7
x=500km in total a parcurs autoturismul.