Question

Помогите решить плиз 19х- 7х = 144

Answer 1

$19x - 7x = 144 \\ 12x = 144 \\ x = 144 \div 12 \\ x = 12$

Answer 2

Решение:

19x-7x = 144
12x = 144
x = 144:12
x = 12

Ответ: 12