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There is only equation given: 2x - y = 5. There are two independent variables x and y.
To determine a unique value for n independent variables it is essential to have n independent equations containing them.
As that is not the case here we can only evaluate the value of x or y in terms of the other variable which can take on an infinite number of values.
It is not possible to solve for x and y if only the equation 2x - y = 5 is given.
2x-5=y (rewritten to isolate the "y" to one side of the equation)
y=2x-5 (slope intercept)
Write a table which substitutes values of -1, 0, and 1 for "x". This will allow you to solve for y. Plug in the numbers you wrote where there is "x". I will use "0" as the example.
the only way to slove this is to write it in slope intercept and then build a table. Unless, that is, you have been given "y" or "x" values.
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