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Simplifying 7x + 4 = 2(4x + 2) Reorder the terms: 4 + 7x = 2(4x + 2) Reorder the terms: 4 + 7x = 2(2 + 4x) 4 + 7x = (2 * 2 + 4x * 2) 4 + 7x = (4 + 8x) Add '-4' to each side of the equation. 4 + -4 + 7x = 4 + -4 + 8x Combine like terms: 4 + -4 = 0 0 + 7x = 4 + -4 + 8x 7x = 4 + -4 + 8x Combine like terms: 4 + -4 = 0 7x = 0 + 8x 7x = 8x Solving 7x = 8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8x' to each side of the equation. 7x + -8x = 8x + -8x Combine like terms: 7x + -8x = -1x -1x = 8x + -8x Combine like terms: 8x + -8x = 0 -1x = 0 Divide each side by '-1'. x = 0 Simplifying x = 0
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