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Simplifying 15x + -4 = 7 + -12x Reorder the terms: -4 + 15x = 7 + -12x Solving -4 + 15x = 7 + -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. -4 + 15x + 12x = 7 + -12x + 12x Combine like terms: 15x + 12x = 27x -4 + 27x = 7 + -12x + 12x Combine like terms: -12x + 12x = 0 -4 + 27x = 7 + 0 -4 + 27x = 7 Add '4' to each side of the equation. -4 + 4 + 27x = 7 + 4 Combine like terms: -4 + 4 = 0 0 + 27x = 7 + 4 27x = 7 + 4 Combine like terms: 7 + 4 = 11 27x = 11 Divide each side by '27'. x = 0.4074074074 Simplifying x = 0.4074074074

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