Question

Помогите решить неравенство 5x-9(2+x)<-8x-6

Answer 1

$5x - 9(2 + x) < - 8x - 6 \\ 5x - 18 - 9x < - 8x - 6 \\ - 4x - 18 < - 8x - 6 \\ - 4x + 8x < - 6 + 18 \\ 4x < 12 \div 4 \\ x < 3$