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Simplifying 3tan2 + -1sec2x = 7 Solving 3an2t + -1c2esx = 7 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add 'c2esx' to each side of the equation. 3an2t + -1c2esx + c2esx = 7 + c2esx Combine like terms: -1c2esx + c2esx = 0 3an2t + 0 = 7 + c2esx 3an2t = 7 + c2esx Divide each side by '3n2t'. a = 2.333333333n-2t-1 + 0.3333333333c2en-2st-1x Simplifying a = 2.333333333n-2t-1 + 0.3333333333c2en-2st-1x Reorder the terms: a = 0.3333333333c2en-2st-1x + 2.333333333n-2t-1
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