Question

решите уравнение 1) І1/хІ=5/8; 3) І1/zІ=2/5; 5) І3/уІ=5/6

Answer 1

1)x1=-8/5 x2=8/5
3)z1=-5/2 z2=5/2
5)y1=-18/5 y2=18/5