Respuesta :

5x - 20 = 12
5x = 32
x = 32/5
x = 6 2/5 or 6.4
5 (x-4)= 12
Distribute into parentheses
5x-20= 12
Add 20 on both sides
5x= 32
Divide each side by 5
X= 32/5
Now 5 goes into 32, 6 times with a remainder of 2
Answer is 6 2/5