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Simplifying 12 = 9(5 + x2) 12 = (5 * 9 + x2 * 9) 12 = (45 + 9x2) Solving 12 = 45 + 9x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9x2' to each side of the equation. 12 + -9x2 = 45 + 9x2 + -9x2 Combine like terms: 9x2 + -9x2 = 0 12 + -9x2 = 45 + 0 12 + -9x2 = 45 Add '-12' to each side of the equation. 12 + -12 + -9x2 = 45 + -12 Combine like terms: 12 + -12 = 0 0 + -9x2 = 45 + -12 -9x2 = 45 + -12 Combine like terms: 45 + -12 = 33 -9x2 = 33 Divide each side by '-9'. x2 = -3.666666667 Simplifying x2 = -3.666666667 Reorder the terms: 3.666666667 + x2 = -3.666666667 + 3.666666667 Combine like terms: -3.666666667 + 3.666666667 = 0.000000000 3.666666667 + x2 = 0.000000000 The solution to this equation could not be determined.
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