Variable in Integration Expression

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I want to solve y for . Analytically this should be -5. I am using global equations in Global ODE and DAE module in comsol. But it can not find the solution. Looks like the variable can not be present in the expression of the integral. If that's true, how to solve these type of problems in COMSOL? Thanks in advance. I am attaching the COMSOL image.


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