{u/5+v/2=5
{u/4-v/3=0,5
{2u+5v=50 2u=50-5v u=25-2,5v
{3u-4v=6
3(25-2,5v)-4v=6
75-7,5v-4v=6
-11,5v=6-75
-11,5v= - 69
v=6
u=25-2,5×6=10
ответ : u=10
{u/5+v/2=5
{u/4-v/3=0,5
{2u+5v=50 2u=50-5v u=25-2,5v
{3u-4v=6
3(25-2,5v)-4v=6
75-7,5v-4v=6
-11,5v=6-75
-11,5v= - 69
v=6
u=25-2,5×6=10
ответ : u=10
v=6