Question

oi ajude-me a resolver por favor -x-2x-4=11

Answer 1

Olá, Anaoliver1!

$-x - 2x - 4 = 11$
$-3x - 4 = 11$
$-3x = 11 + 4$
$-3x = 15$

Logo:

$\boxed{\boxed{x = \frac{15}{3} = 5}}$

Answer 2

-x-2x-4=11
-3x-4=11
-3x=11+4
-3x=15 (*-1)
3x=-15
x=-15/3
x=-5