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Simplifying 7x + 9 = 2x + 54 Reorder the terms: 9 + 7x = 2x + 54 Reorder the terms: 9 + 7x = 54 + 2x Solving 9 + 7x = 54 + 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. 9 + 7x + -2x = 54 + 2x + -2x Combine like terms: 7x + -2x = 5x 9 + 5x = 54 + 2x + -2x Combine like terms: 2x + -2x = 0 9 + 5x = 54 + 0 9 + 5x = 54 Add '-9' to each side of the equation. 9 + -9 + 5x = 54 + -9 Combine like terms: 9 + -9 = 0 0 + 5x = 54 + -9 5x = 54 + -9 Combine like terms: 54 + -9 = 45 5x = 45 Divide each side by '5'. x = 9 Simplifying x = 9
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