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Simplifying -6x + -7 = 20 + 3x Reorder the terms: -7 + -6x = 20 + 3x Solving -7 + -6x = 20 + 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. -7 + -6x + -3x = 20 + 3x + -3x Combine like terms: -6x + -3x = -9x -7 + -9x = 20 + 3x + -3x Combine like terms: 3x + -3x = 0 -7 + -9x = 20 + 0 -7 + -9x = 20 Add '7' to each side of the equation. -7 + 7 + -9x = 20 + 7 Combine like terms: -7 + 7 = 0 0 + -9x = 20 + 7 -9x = 20 + 7 Combine like terms: 20 + 7 = 27 -9x = 27 Divide each side by '-9'. x = -3 Simplifying x = -3
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