{10х +15y=-45 {2x-3y=33
10x+15y=-45/:5⇒2x+3y=-9 2x-3y=33 4x=24 x=24/4=6 12-3y=33 3y=12-33 3y=-21 y=-21/3=-7 (6;-7)
Решите задачу: