Реши систему уравнений
{6y+10x=7
10x−2y=0

{6y+10x=7 {10x−2y=0отнимем8y=7y=7/810x=2*7/810x=7/4x=7/40(7/40;7/8)

6y + 10x = 7 10x - 2y = 0 2y = 10x ==> y = 5x 30x + 10x = 7 40x = 7 x = 7/40 x = 0,175 y = 5•0,175 = 0,875 Ответ ( 0,175 ; 0,875 )