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Simplifying 12x + (-4) = 3 + -1x 12x + -4 = 3 + -1x Reorder the terms: -4 + 12x = 3 + -1x Solving -4 + 12x = 3 + -1x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'x' to each side of the equation. -4 + 12x + x = 3 + -1x + x Combine like terms: 12x + x = 13x -4 + 13x = 3 + -1x + x Combine like terms: -1x + x = 0 -4 + 13x = 3 + 0 -4 + 13x = 3 Add '4' to each side of the equation. -4 + 4 + 13x = 3 + 4 Combine like terms: -4 + 4 = 0 0 + 13x = 3 + 4 13x = 3 + 4 Combine like terms: 3 + 4 = 7 13x = 7 Divide each side by '13'. x = 0.5384615385 Simplifying x = 0.5384615385
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