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Simplifying -30 + -10x = -7x + 51 Reorder the terms: -30 + -10x = 51 + -7x Solving -30 + -10x = 51 + -7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7x' to each side of the equation. -30 + -10x + 7x = 51 + -7x + 7x Combine like terms: -10x + 7x = -3x -30 + -3x = 51 + -7x + 7x Combine like terms: -7x + 7x = 0 -30 + -3x = 51 + 0 -30 + -3x = 51 Add '30' to each side of the equation. -30 + 30 + -3x = 51 + 30 Combine like terms: -30 + 30 = 0 0 + -3x = 51 + 30 -3x = 51 + 30 Combine like terms: 51 + 30 = 81 -3x = 81 Divide each side by '-3'. x = -27 Simplifying x = -27

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