Suppose that the function f(x) and g(x) satisfy the system of equations `f(x)+3g(x)=x^(2)+x+6` and `

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Suppose that the function f(x) and g(x) satisfy the system of equations `f(x)+3g(x)=x^(2)+x+6` and `2f(x)+4g(x)=2x^(2)+4` for every x. The value of `x` for which `f(x)=g(x)` can be equal to
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