Answer:
= 7x/2 + 30
Step-by-step explanation:
(9/4x+6)-(-5/4x-24)
= (9/4 x + 6) + 5/4 x + 24
= 9/4 x + 5/4 x + 6 + 24
= 14/4 x + 30
= 7/2 x + 30