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Simplifying 139 + -7x = 20x + 19 Reorder the terms: 139 + -7x = 19 + 20x Solving 139 + -7x = 19 + 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. 139 + -7x + -20x = 19 + 20x + -20x Combine like terms: -7x + -20x = -27x 139 + -27x = 19 + 20x + -20x Combine like terms: 20x + -20x = 0 139 + -27x = 19 + 0 139 + -27x = 19 Add '-139' to each side of the equation. 139 + -139 + -27x = 19 + -139 Combine like terms: 139 + -139 = 0 0 + -27x = 19 + -139 -27x = 19 + -139 Combine like terms: 19 + -139 = -120 -27x = -120 Divide each side by '-27'. x = 4.444444444 Simplifying x = 4.444444444
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