Which equation can be used to find the answer? Sharifa spends $51 on the first day of her vacation. This leaves her with $127 to
1 answer:
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If
then we also have
Pairing up the terms, we can find that
consists of
terms, so there are
copies of
in the sum
. Then we find an immediate closed form for the sum:
First, multiply 1/2 and 2 by 6 to simplify the equation. Then, subtract 12 from both sides of the equation to get x alone. Finally divide both sides of the equation by 3 to get x on it's own. That is your solution. X=-2/3 I attached a picture of my work. Hope this helped!
