Question

Помогите решить уравнение y+60=80x7

Answer 1

$y + 60 = 80 \times 7 \\ y + 60 = 560 \\ y = 560 - 60 \\ y = 500$

Проверка:

$500 + 60 = 80 \times 7 \\ 560 = 560$

Answer 2

y+60=80x7

y= 80x7-60

y=500