Relax

Respuesta :

achezz

Answer:

x=7

Step-by-step explanation:

3x-30=-9

3x=21

x=7

hope this helped! have a Blessed day!

3(x-10) =-9

3x - 30 = - 9

3x - 30+30= - 9+30

3x =21

X = 21/3.

X= 7