Question

Реши уравнение))заранее спасибо)))

Answer 1

1. 600 * (x : 15) = 3600;
x : 15 = 3600 : 600;
x :15 = 6;
x = 15 * 6;
x = 90.

2. (x - 158) * 40 = 200;
x - `158 = 200 : 40;
x - 158 = 5;
x = 158 + 5;
x = 163.