Question

Ajuda pfvr
$2x + x - 9x \leqslant 15 - 4x$

Answer 1

Boa tarde

2x + x - 9x ≤ 15 - 4x 

os x de um lado

2x + x - 9x + 4x ≤ 15

-2x ≤ 15

x ≤ -15/2