Question

Переменную
уравнения:
1) 9х+у - 16 = 0;
2) 5х + 3y +1 = 0;​

Answer 1

1)

$9x+y - 16 = 0\\9x+y-16+16=0+16\\9x+y=16$

2)

$5x + 3y +1 = 0\\5x+3y+1-1=0-1\\5x+3y=-1$