Respuesta :

Answer:

-5=x

Step-by-step explanation:

use SADMEP to single out x

Subtract/Add,Divide/Multiply,Exponent,Parenthesis

-12=3x+3

-12-3=3x+3-3

-15=3x

-15/3=3x/3

-5=x

Answer:  -5=X

Step-by-step explanation: