Solve and Check Your Solution(s) $$\sqrt [ 4 ] { x + 7 } = \sqrt [ 4 ] { 5 x }$$

Multiple Choice

Solve and check your solution(s) . If the equation has no real solution, so state.
- $$\sqrt [ 4 ] { x + 7 } = \sqrt [ 4 ] { 5 x }$$

A) $\frac { 4 } { 7 }$
B) $\frac { 7 } { 4 }$
C) 75
D) no real solution