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Simplifying 7x + 55 = 12x Reorder the terms: 55 + 7x = 12x Solving 55 + 7x = 12x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12x' to each side of the equation. 55 + 7x + -12x = 12x + -12x Combine like terms: 7x + -12x = -5x 55 + -5x = 12x + -12x Combine like terms: 12x + -12x = 0 55 + -5x = 0 Add '-55' to each side of the equation. 55 + -55 + -5x = 0 + -55 Combine like terms: 55 + -55 = 0 0 + -5x = 0 + -55 -5x = 0 + -55 Combine like terms: 0 + -55 = -55 -5x = -55 Divide each side by '-5'. x = 11 Simplifying x = 11
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