Answer:
4u-15 is your answer
Step-by-step explanation:
20(1/5u-3/4)
20/5u-60/4
4u-15
Lets solve:
⇒20(1/5u-3/4)
Divide by 20 on each side
⇒20/5u-60/4
Solve the problems
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⇒4u-15
Final answer: 4u-15
hope this helps :)