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Simplifying 7x + 12 = 2x + 12 Reorder the terms: 12 + 7x = 2x + 12 Reorder the terms: 12 + 7x = 12 + 2x Add '-12' to each side of the equation. 12 + -12 + 7x = 12 + -12 + 2x Combine like terms: 12 + -12 = 0 0 + 7x = 12 + -12 + 2x 7x = 12 + -12 + 2x Combine like terms: 12 + -12 = 0 7x = 0 + 2x 7x = 2x Solving 7x = 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. 7x + -2x = 2x + -2x Combine like terms: 7x + -2x = 5x 5x = 2x + -2x Combine like terms: 2x + -2x = 0 5x = 0 Divide each side by '5'. x = 0 Simplifying x = 0
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