Answer:
5. 2000+80z
6. 2.625a-4.5b
7. 5(9c+2d)
8. -3(3x-5y-9)
#5: 2000+80z
#6: 2.63a+4.5b
#7: 5(9c+2d)
#8: 3(9-3x+5y)
Explanation:
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