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Simplifying 7x + -15 = 20x + 3 Reorder the terms: -15 + 7x = 20x + 3 Reorder the terms: -15 + 7x = 3 + 20x Solving -15 + 7x = 3 + 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. -15 + 7x + -20x = 3 + 20x + -20x Combine like terms: 7x + -20x = -13x -15 + -13x = 3 + 20x + -20x Combine like terms: 20x + -20x = 0 -15 + -13x = 3 + 0 -15 + -13x = 3 Add '15' to each side of the equation. -15 + 15 + -13x = 3 + 15 Combine like terms: -15 + 15 = 0 0 + -13x = 3 + 15 -13x = 3 + 15 Combine like terms: 3 + 15 = 18 -13x = 18 Divide each side by '-13'. x = -1.384615385 Simplifying x = -1.384615385
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