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Simplifying -27x = -21(x + -2) Reorder the terms: -27x = -21(-2 + x) -27x = (-2 * -21 + x * -21) -27x = (42 + -21x) Solving -27x = 42 + -21x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '21x' to each side of the equation. -27x + 21x = 42 + -21x + 21x Combine like terms: -27x + 21x = -6x -6x = 42 + -21x + 21x Combine like terms: -21x + 21x = 0 -6x = 42 + 0 -6x = 42 Divide each side by '-6'. x = -7 Simplifying x = -7
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