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Simplifying 3(7x + -2) = 3x + -2 Reorder the terms: 3(-2 + 7x) = 3x + -2 (-2 * 3 + 7x * 3) = 3x + -2 (-6 + 21x) = 3x + -2 Reorder the terms: -6 + 21x = -2 + 3x Solving -6 + 21x = -2 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. -6 + 21x + -3x = -2 + 3x + -3x Combine like terms: 21x + -3x = 18x -6 + 18x = -2 + 3x + -3x Combine like terms: 3x + -3x = 0 -6 + 18x = -2 + 0 -6 + 18x = -2 Add '6' to each side of the equation. -6 + 6 + 18x = -2 + 6 Combine like terms: -6 + 6 = 0 0 + 18x = -2 + 6 18x = -2 + 6 Combine like terms: -2 + 6 = 4 18x = 4 Divide each side by '18'. x = 0.2222222222 Simplifying x = 0.2222222222
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