MAT116 Week 7 Checkpoint - Two problems that need to be solved

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thatgalagain from UOP
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$2.50 MAT116 Week 7 Checkpoint - Two problems that need to be solved

From Mathematics: Algebra , Mathematics: General-Mathematics
Due on Dec. 06, 2008
Asked on Dec 03, 2008 at 4:10:13PM

Q:
I have two problems that need to be solved. I have tried and need these two correct for this assignment to bring my grade up....
#1
Solve by the elmination method
9x-9y=9
7y-3x=-5
What is the solution of the system?

#2
Solve by the elmination method
0.3x-0.2y=4
0.4x+0.3y=49/23
What is the solution of the system?

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kjw1234 from Phoenix University
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$1.25 Here is your answer and the steps to figure it out! Hope it Helps you!!!

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Posted on Dec 03, 2008 at 4:25:27PM

A:
Preview: ... x -9(-1/2) = 9
9x + 4 1/2 = 9
9x = 4 1/2

so x = 1/2

Checking 9(1/2) - 9(-1/2) = ...

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thundercats from College
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$0.75 The A+ Answers

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Posted on Dec 03, 2008 at 4:25:33PM

A:
Preview: ... r #1, x = 1/2 ...

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geniusy_2006 from Oxford University

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$0.75 Here are the correct answers

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Posted on Dec 03, 2008 at 4:40:45PM

A:
Preview: ... y = -1/2

...

The full tutorial is about 26 words long .