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Simplifying 45 + -7x = 20x + 15 Reorder the terms: 45 + -7x = 15 + 20x Solving 45 + -7x = 15 + 20x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20x' to each side of the equation. 45 + -7x + -20x = 15 + 20x + -20x Combine like terms: -7x + -20x = -27x 45 + -27x = 15 + 20x + -20x Combine like terms: 20x + -20x = 0 45 + -27x = 15 + 0 45 + -27x = 15 Add '-45' to each side of the equation. 45 + -45 + -27x = 15 + -45 Combine like terms: 45 + -45 = 0 0 + -27x = 15 + -45 -27x = 15 + -45 Combine like terms: 15 + -45 = -30 -27x = -30 Divide each side by '-27'. x = 1.111111111 Simplifying x = 1.111111111
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