Answer:
x=0
Step-by-step explanation:
7/2x+6/4x=5/4x
7/2x=5/4x-6/4x
7/2x=-1/4x
7/2x-(-1/4x)=0
7/2x+1/4x=0
14/4x+1/4x=0
15/4x=0
x=0/(15/4)
