Răspuns :
7x=5x+3
7x-5x=3
2x=3
x=3/2
x=1,5 o sticla=1,5 l
7*1,5=10,5 l
5*1,5=7,5 l
7x-5x=3
2x=3
x=3/2
x=1,5 o sticla=1,5 l
7*1,5=10,5 l
5*1,5=7,5 l
7-5=2 sticle
in 2 sticle sunt 3 l.
1 sticla = 3:2
1 sticla = 1,5 l
R: o sticla are 1,5 l
in 2 sticle sunt 3 l.
1 sticla = 3:2
1 sticla = 1,5 l
R: o sticla are 1,5 l