a) 8x * 18 = 144144x = 144x = 144 / 144x = 1
б) (7y - 3y) / 8 = 174y / 8 = 174y = 8 * 174y = 136y = 136 / 4y = 34
Ответ: а) x = 1; б) y = 34
a) 8x * 18 = 144
144x = 144
x = 144 / 144
x = 1
б) (7y - 3y) / 8 = 17
4y / 8 = 17
4y = 8 * 17
4y = 136
y = 136 / 4
y = 34
Ответ: а) x = 1; б) y = 34