Answer:
C
Step-by-step explanation:
Quite simple. If x=4, the x+8, or 4+8= 12. 3x or 3*4 also happens to equal 12. Yw.
c
x + 8= 3x
if the answer is 4 then it would be 4 + 8 = 12 which makes sense. if you have a problem like this just put in what your trying to find and when the problem makes sense that's the solution.
