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Simplifying 19x + -21 = 2x + -42 Reorder the terms: -21 + 19x = 2x + -42 Reorder the terms: -21 + 19x = -42 + 2x Solving -21 + 19x = -42 + 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. -21 + 19x + -2x = -42 + 2x + -2x Combine like terms: 19x + -2x = 17x -21 + 17x = -42 + 2x + -2x Combine like terms: 2x + -2x = 0 -21 + 17x = -42 + 0 -21 + 17x = -42 Add '21' to each side of the equation. -21 + 21 + 17x = -42 + 21 Combine like terms: -21 + 21 = 0 0 + 17x = -42 + 21 17x = -42 + 21 Combine like terms: -42 + 21 = -21 17x = -21 Divide each side by '17'. x = -1.235294118 Simplifying x = -1.235294118
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