Question

5) 2x - (4x - 5) = 15​

Answer 1

Ответ:

$2x - (4x - 5) = 15 \\ 2x - 4x + 5 = 15 \\ - 2x + 5 = 15 \\ - 2x = 15 - 5 \\ - 2x = 10 \\ x = - 5$