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Simplifying 4x + 20 = 2x + 30 Reorder the terms: 20 + 4x = 2x + 30 Reorder the terms: 20 + 4x = 30 + 2x Solving 20 + 4x = 30 + 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. 20 + 4x + -2x = 30 + 2x + -2x Combine like terms: 4x + -2x = 2x 20 + 2x = 30 + 2x + -2x Combine like terms: 2x + -2x = 0 20 + 2x = 30 + 0 20 + 2x = 30 Add '-20' to each side of the equation. 20 + -20 + 2x = 30 + -20 Combine like terms: 20 + -20 = 0 0 + 2x = 30 + -20 2x = 30 + -20 Combine like terms: 30 + -20 = 10 2x = 10 Divide each side by '2'. x = 5 Simplifying x = 5
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