Question

6(5x-12) +4(11-6x) при x = 7

Answer 1

Ответ:

$6(5x - 12) + 4(11 - 6x) = 30x - 72 + 44 - 24x = 6x - 28$

при x = 7

$6 \times 7 - 28 = 42 - 28 = 14$