(6-x)=24
X=-18
If you subtract a negative number with a positive number it adds them together making it positive (6- -18)=24
and
both have a common denominator, so you can combine them into a single fraction:

You cannot simplify this fraction further:
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Answer:

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Answer:
d
Step-by-step explanation:
Answer:
490
Step-by-step:
90•5