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Simplifying 21x + 42 = -37 Reorder the terms: 42 + 21x = -37 Solving 42 + 21x = -37 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + -42 + 21x = -37 + -42 Combine like terms: 42 + -42 = 0 0 + 21x = -37 + -42 21x = -37 + -42 Combine like terms: -37 + -42 = -79 21x = -79 Divide each side by '21'. x = -3.761904762 Simplifying x = -3.761904762
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