The value of the variable, x, is 4. This is because 2 times 4 (x) plus 4 is equivalent to 12. 2 times 4 equals 8. 8 plus 4 equals 12. I hope this helped! Brainliest would be great. : )
Answer:
x = 8
Step-by-step explanation:
2x - 4 = 12
2x = 12 + 4
2x = 16
x = 16/2
x = 8
sorry If that's wrong
