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Simplifying 20 + 3x = 45x Solving 20 + 3x = 45x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-45x' to each side of the equation. 20 + 3x + -45x = 45x + -45x Combine like terms: 3x + -45x = -42x 20 + -42x = 45x + -45x Combine like terms: 45x + -45x = 0 20 + -42x = 0 Add '-20' to each side of the equation. 20 + -20 + -42x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -42x = 0 + -20 -42x = 0 + -20 Combine like terms: 0 + -20 = -20 -42x = -20 Divide each side by '-42'. x = 0.4761904762 Simplifying x = 0.4761904762
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