7+10+(1.41y)=-11+7-8.59y
7 + 10 + 1.41y = – 11 + 7 – 8.59y
1,41y + 8,59y = 7 – 11 – 10 – 7
10y = -21
y = -2.1
7+10+(1.41y)=-11+7-8.59y
7 + 10 + 1.41y = – 11 + 7 – 8.59y
1,41y + 8,59y = 7 – 11 – 10 – 7
10y = -21
y = -2.1