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Simplifying -12 = 6x + -10x + -20 Reorder the terms: -12 = -20 + 6x + -10x Combine like terms: 6x + -10x = -4x -12 = -20 + -4x Solving -12 = -20 + -4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4x' to each side of the equation. -12 + 4x = -20 + -4x + 4x Combine like terms: -4x + 4x = 0 -12 + 4x = -20 + 0 -12 + 4x = -20 Add '12' to each side of the equation. -12 + 12 + 4x = -20 + 12 Combine like terms: -12 + 12 = 0 0 + 4x = -20 + 12 4x = -20 + 12 Combine like terms: -20 + 12 = -8 4x = -8 Divide each side by '4'. x = -2 Simplifying x = -2
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