Step-by-step explanation:
x = number
3x - 15 = (x - 12)×-4 or (12-x)×-4
3x - 15 = -4x + 48 or -48 + 4x
7x = 63, x = 9 or
33 = x
Answer:

Step-by-step explanation:

Answer:
Has infinite many solutions. X=1
Step by step:
-3x-3=-3(x+1)
-3x-3=-3x-3
-3x-3+3=-3x-3+3
-3x=-3x
Yes 2.929.87 8 is greater than 2.929.087