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Simplifying -7x + -42 = 28 + -12x Reorder the terms: -42 + -7x = 28 + -12x Solving -42 + -7x = 28 + -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. -42 + -7x + 12x = 28 + -12x + 12x Combine like terms: -7x + 12x = 5x -42 + 5x = 28 + -12x + 12x Combine like terms: -12x + 12x = 0 -42 + 5x = 28 + 0 -42 + 5x = 28 Add '42' to each side of the equation. -42 + 42 + 5x = 28 + 42 Combine like terms: -42 + 42 = 0 0 + 5x = 28 + 42 5x = 28 + 42 Combine like terms: 28 + 42 = 70 5x = 70 Divide each side by '5'. x = 14 Simplifying x = 14
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