Which expression is equivalent to 3 4 x + 5 − 7 + 1 2 x 34 x + 5 - 7 + 12x?
A.
5
4
x
−
2
54x-2

B.
4
6
x
−
2
46x-2

C.
1
4
x
+
12
14x+12

D.
4
6
x
+
12
46x+12