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jasenka [17]
3 years ago
9

9x-7i>9x-21u How do you solve for X?

Mathematics
1 answer:
musickatia [10]3 years ago
7 0

9x-7i > 9x-21u \\-7i > -21u \\7i < 21u \\i\in(-\infty,3u) \\u\in(1/3i,+\infty) \\x\in\emptyset

Hope this helps.

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There were 7,500 tickets sold for a concert, 20% of which were general admission. How many general tickets were sold?
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7,500*20%=g

7,500*.20=g

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Solve the system of equations using substitution y=x-1 and y=-2x+5
pav-90 [236]
Since the two equations equal y, set them equal to each other.

x-1=-2x+5

From there, solve for x.

First get x on one side, by using the addition property of equality.

x-1=-2x+5
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Lastly get x all by itself by dividing each side by 3.
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You can now substitute your x-value, 2, into one of the equations (or both, if you wish; either one will result in the same answer.)

y=x-1
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OR

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Final answer:
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