A magazine subscription runs several promotions. Customers can choose from the following deals:
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Putting both equations into standard form, we have the system
x -2y = 4
x -2y = -12
The lines these equations describe are parallel.
x -2y = 4
x -2y = -12
The lines these equations describe are parallel.
First you had to switch sides of equation.
Then you divide by two from both sides of equation form.
Simplify.
Next, subtract by i from both sides of equation form.
Finally, simplify by equation.
Final answer:
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-Charlie