Respuesta :
Answer:
x = -9
Step-by-step explanation:
6x+6= 3 x − 21
Subtract 3x from each side
6x-3x+6= 3 x-3x − 21
3x+6 = -21
Subtract 6 from each side
3x+6-6 = -21-6
3x =-27
Divide each side by 3
3x/3 = -27/3
x = -9
Answer:
x = -9
Step-by-step explanation:
6x+6= 3 x − 21
Subtract 3x from each side
6x-3x+6= 3 x-3x − 21
3x+6 = -21
Subtract 6 from each side
3x+6-6 = -21-6
3x =-27
Divide each side by 3
3x/3 = -27/3
x = -9