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Simplifying lg(x + 9) + log(7x + 3) = 1 + lg(x2 + 9) Reorder the terms: gl(9 + x) + log(7x + 3) = 1 + lg(x2 + 9) (9 * gl + x * gl) + log(7x + 3) = 1 + lg(x2 + 9) (9gl + glx) + log(7x + 3) = 1 + lg(x2 + 9) Reorder the terms: 9gl + glx + glo(3 + 7x) = 1 + lg(x2 + 9) 9gl + glx + (3 * glo + 7x * glo) = 1 + lg(x2 + 9) 9gl + glx + (3glo + 7glox) = 1 + lg(x2 + 9) Reorder the terms: 9gl + 3glo + 7glox + glx = 1 + lg(x2 + 9) Reorder the terms: 9gl + 3glo + 7glox + glx = 1 + gl(9 + x2) 9gl + 3glo + 7glox + glx = 1 + (9 * gl + x2 * gl) 9gl + 3glo + 7glox + glx = 1 + (9gl + glx2) Add '-9gl' to each side of the equation. 9gl + 3glo + 7glox + -9gl + glx = 1 + 9gl + -9gl + glx2 Reorder the terms: 9gl + -9gl + 3glo + 7glox + glx = 1 + 9gl + -9gl + glx2 Combine like terms: 9gl + -9gl = 0 0 + 3glo + 7glox + glx = 1 + 9gl + -9gl + glx2 3glo + 7glox + glx = 1 + 9gl + -9gl + glx2 Combine like terms: 9gl + -9gl = 0 3glo + 7glox + glx = 1 + 0 + glx2 3glo + 7glox + glx = 1 + glx2 Solving 3glo + 7glox + glx = 1 + glx2 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-1glx2' to each side of the equation. 3glo + 7glox + glx + -1glx2 = 1 + glx2 + -1glx2 Combine like terms: glx2 + -1glx2 = 0 3glo + 7glox + glx + -1glx2 = 1 + 0 3glo + 7glox + glx + -1glx2 = 1 Reorder the terms: -1 + 3glo + 7glox + glx + -1glx2 = 1 + -1 Combine like terms: 1 + -1 = 0 -1 + 3glo + 7glox + glx + -1glx2 = 0 The solution to this equation could not be determined.
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