Use the complex conjugate of (-7 + i) to remove the complex number from the denominator and then simplify.
See attached.
Answer:
Please edit this question, I'm not sure what you're asking. Or, include a picture.
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If we multiply the first equation by 2 we get
2x - 4y = 12
but the second equation is
2x - 4y = 10
2x - 4y can't have 2 different values so the are no solutions