Question

Помогите решить
Пожалуйста

Answer 1

$left { {{ frac{x}{6}+ frac{y}{5} =1} atop {4y+3x=16}} right. left { {{5x+6y=30} atop {4y=16-3x}} right. left { {{5x+6(4-0.75x)=30} atop {y=4-0.75x}} right. left { {{5x+24-4.5x=30} atop {y=4-0.75x}} right. left { {{0.5x=30-24} atop {y=4-0.75x}} right.$ $left { {{0,5x=6} atop {y=4-0.75x}} right. left { {{x=12} atop {y=4-0.75*12}} right. left { {{x=12} atop {y=4-9}} right. left { {{x=12} atop {y=-5}} right.$