Math

If the demand function for a commodity is given by the equation p2 + 12q = 1800 and the supply function is given by the equation 900 − p2 + 6q = 0,
find the equilibrium quantity and equilibrium price.

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  1. I will assume your two equations are
    p^2 + 12q = 1800 and 900 − p^2 + 6q = 0
    p^2 + 12q = 1800
    − p^2 + 6q = -900
    add them:
    18q = 900
    q = 50

    plug into p^2 + 12q = 1800 and use the positive answer to p

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    Reiny

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