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Simplifying 20 = 40 + 12x Solving 20 = 40 + 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. 20 + -12x = 40 + 12x + -12x Combine like terms: 12x + -12x = 0 20 + -12x = 40 + 0 20 + -12x = 40 Add '-20' to each side of the equation. 20 + -20 + -12x = 40 + -20 Combine like terms: 20 + -20 = 0 0 + -12x = 40 + -20 -12x = 40 + -20 Combine like terms: 40 + -20 = 20 -12x = 20 Divide each side by '-12'. x = -1.666666667 Simplifying x = -1.666666667
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