A mother is 4 times as old as her daughter. In 4 years, the mother will be 3 times as old as her daughter. How many years old is the daughter now?

Question

I came up with two equations:
M = 4D and M + 4 = 3(4 + D)

and I got D to be 12 but that isn't the correct answer??

Answer 1

M = 4D and M + 4 = 3(4 + D)

4 D + 4 = 12 + 3 D
1 D = 12 - 4
D = 8

Answer 2

so di ko alam pero AHAHAHAHA goodluck na lang di ko rin alam eh HAHAHAHA

TRANSLATION:
I also don't know the answer AHAHAHAHA But, I wish you goodluck and again, I also don't know.