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Homework Statement
Find the value of k for which the constant function x(t)=k is a solution of the differential equation 9t[tex]_{2}[/tex][tex]\frac{dx}{dt}[/tex] 3x + 7 = 0.
The answer: k 2.33
Homework Equations

The Attempt at a Solution
I'm a little confused on where to start...I was under the impression I had to factor and find what values would set the function equal to zero, so I did that, but it didn't come out right. Help?