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Simplifying 4 + 2x = 4(1 + 3x) 4 + 2x = (1 * 4 + 3x * 4) 4 + 2x = (4 + 12x) Add '-4' to each side of the equation. 4 + -4 + 2x = 4 + -4 + 12x Combine like terms: 4 + -4 = 0 0 + 2x = 4 + -4 + 12x 2x = 4 + -4 + 12x Combine like terms: 4 + -4 = 0 2x = 0 + 12x 2x = 12x Solving 2x = 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. 2x + -12x = 12x + -12x Combine like terms: 2x + -12x = -10x -10x = 12x + -12x Combine like terms: 12x + -12x = 0 -10x = 0 Divide each side by '-10'. x = 0.0 Simplifying x = 0.0
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