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Answer:
Step-by-step explanation:
5x-6 = 24
5x = 30
x = 6
:::::
¾x-6.5 = 5.5
¾x = 12
x = 12×4/3 = 16
:::::
-7.5x+3 = 18
-7.5x = 15
x = 15/(-17.5) = -6/7