\"\"\"\"

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The equations are

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\"\"                 Equation (1)

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\"\"                       Equation (2)

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Solve the second equation for p in terms of q.

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Apply addition property of equality; if a = b, then a + c = b + c.

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\"\"     (Add 4q to each side)

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\"\"                (Apply Additive inverse property: \"\")

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\"\"                      (Apply Additive identity property: \"\")\"\"

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Combine like terms using distributive property: \"\".

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\"\"

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Apply division property of equality: if a = b, then\"\".

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\"\"           (Divide each side by 2)

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\"\"                        (Cancel common terms)\"\"

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Substitute  \"\" in Equation (2).

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\"\"

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Distribute terms using distributive property: \"\".

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\"\"

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\"\"               (Multiply: \"\")

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\"\"                          (Apply Additive inverse property: \"\")

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\"\"                                (Apply Additive identity property: \"\")

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q = 0

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\"\"

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Substitute \"\" in equation in equation \"\".

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\"\"

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\"\"                         (Apply zero product property: \"\")

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\"\"                               (Apply additive identity property: \"\") \"\"

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The solution is \"\".