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Simplifying -3x + -30 = 12x Reorder the terms: -30 + -3x = 12x Solving -30 + -3x = 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. -30 + -3x + -12x = 12x + -12x Combine like terms: -3x + -12x = -15x -30 + -15x = 12x + -12x Combine like terms: 12x + -12x = 0 -30 + -15x = 0 Add '30' to each side of the equation. -30 + 30 + -15x = 0 + 30 Combine like terms: -30 + 30 = 0 0 + -15x = 0 + 30 -15x = 0 + 30 Combine like terms: 0 + 30 = 30 -15x = 30 Divide each side by '-15'. x = -2 Simplifying x = -2
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