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Simplifying 4 + -8x = 3(-7x + -3) Reorder the terms: 4 + -8x = 3(-3 + -7x) 4 + -8x = (-3 * 3 + -7x * 3) 4 + -8x = (-9 + -21x) Solving 4 + -8x = -9 + -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. 4 + -8x + 21x = -9 + -21x + 21x Combine like terms: -8x + 21x = 13x 4 + 13x = -9 + -21x + 21x Combine like terms: -21x + 21x = 0 4 + 13x = -9 + 0 4 + 13x = -9 Add '-4' to each side of the equation. 4 + -4 + 13x = -9 + -4 Combine like terms: 4 + -4 = 0 0 + 13x = -9 + -4 13x = -9 + -4 Combine like terms: -9 + -4 = -13 13x = -13 Divide each side by '13'. x = -1 Simplifying x = -1
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