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Simplifying -9x + 7 = -6 + -12x Reorder the terms: 7 + -9x = -6 + -12x Solving 7 + -9x = -6 + -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. 7 + -9x + 12x = -6 + -12x + 12x Combine like terms: -9x + 12x = 3x 7 + 3x = -6 + -12x + 12x Combine like terms: -12x + 12x = 0 7 + 3x = -6 + 0 7 + 3x = -6 Add '-7' to each side of the equation. 7 + -7 + 3x = -6 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = -6 + -7 3x = -6 + -7 Combine like terms: -6 + -7 = -13 3x = -13 Divide each side by '3'. x = -4.333333333 Simplifying x = -4.333333333
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