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Simplifying 85 + 34x + -23 + 9 = -12x + 15 Reorder the terms: 85 + -23 + 9 + 34x = -12x + 15 Combine like terms: 85 + -23 = 62 62 + 9 + 34x = -12x + 15 Combine like terms: 62 + 9 = 71 71 + 34x = -12x + 15 Reorder the terms: 71 + 34x = 15 + -12x Solving 71 + 34x = 15 + -12x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12x' to each side of the equation. 71 + 34x + 12x = 15 + -12x + 12x Combine like terms: 34x + 12x = 46x 71 + 46x = 15 + -12x + 12x Combine like terms: -12x + 12x = 0 71 + 46x = 15 + 0 71 + 46x = 15 Add '-71' to each side of the equation. 71 + -71 + 46x = 15 + -71 Combine like terms: 71 + -71 = 0 0 + 46x = 15 + -71 46x = 15 + -71 Combine like terms: 15 + -71 = -56 46x = -56 Divide each side by '46'. x = -1.217391304 Simplifying x = -1.217391304
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