You can put this solution on YOUR website! Do you need to find the x and y coordinates of 9x-7y=-7? Your question does not specify, so I'm going to assume this is what you are looking for.
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Steps to follow:
1. Draw a long "t" in your notebook (long vertically, not horizontaly). Use the left side for x values and the right side for y values. This is very useful to keep a tally of values.
2. Write 1, 2, 3, 4, 5 in the x column.
3. Find the formula that solves for y.
4. Plug each x value in the equation to find the y values. Those would be your coordinates!
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Problem: ...same as... ...same as...
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Now you know that when x=1, y=16/7. This is your first set of coordinates.
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Now you know that when x=2, y=25/7. This is your second set of coordinates.
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Continue doing the same operation with as many numbers as you want or need.
Done!