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Simplifying 12 = 2x + -1 Reorder the terms: 12 = -1 + 2x Solving 12 = -1 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 12 + -2x = -1 + 2x + -2x Combine like terms: 2x + -2x = 0 12 + -2x = -1 + 0 12 + -2x = -1 Add '-12' to each side of the equation. 12 + -12 + -2x = -1 + -12 Combine like terms: 12 + -12 = 0 0 + -2x = -1 + -12 -2x = -1 + -12 Combine like terms: -1 + -12 = -13 -2x = -13 Divide each side by '-2'. x = 6.5 Simplifying x = 6.5
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