In Exercises 11-21, solve each equation, inequality, or system of equations. 11. V 3x = 2x – 6 12. 4x = &x - 7 %3D - x +5> 2 14. X - 1 13. + 2 < 4 15. 2r + x? - 13x + 6 = 0 16. 6x – 3(5x + 2) = 4(1 – x) 17. log(x + 3) + log x = 1 18. 3*+2 = 11 19. x - 2, 3x - y = -2 20. |2r² – y = 0 x + 2y + 3z = -2 21. 3x + 3y + 10z = -2 2y - 5z = 6 %3!

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A: logarithmic formula

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