$\left(\sqrt{\log_7\left(-2x-1\right)}-\log_7\sqrt{4x^2+4x+1}-1\right)\cdot \log_7\left|x+7\right|=-3\log_7\sqrt[3]{x+7}$

What are the solutions to this equation? I got -6 and -4, but I think it should be -6 and -5? Thanks.

EDIT: Never mind, solved.

What are the solutions to this equation? I got -6 and -4, but I think it should be -6 and -5? Thanks.

EDIT: Never mind, solved.

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