Help Im Struggling Will Mark Brainliest please Show work

Answer:
24. 10x
25. 24x
26. -3x
27. -25x
28. 56x
29. 10x
Step-by-step explanation:
If it says 5x+5 just add 5+5 5han add the x so 10x
If it 5x-5 just subtract them to it 0x
have a great day love :)