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Simplifying -1(2y + 8) + 4 = -10y + -20 Reorder the terms: -1(8 + 2y) + 4 = -10y + -20 (8 * -1 + 2y * -1) + 4 = -10y + -20 (-8 + -2y) + 4 = -10y + -20 Reorder the terms: -8 + 4 + -2y = -10y + -20 Combine like terms: -8 + 4 = -4 -4 + -2y = -10y + -20 Reorder the terms: -4 + -2y = -20 + -10y Solving -4 + -2y = -20 + -10y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '10y' to each side of the equation. -4 + -2y + 10y = -20 + -10y + 10y Combine like terms: -2y + 10y = 8y -4 + 8y = -20 + -10y + 10y Combine like terms: -10y + 10y = 0 -4 + 8y = -20 + 0 -4 + 8y = -20 Add '4' to each side of the equation. -4 + 4 + 8y = -20 + 4 Combine like terms: -4 + 4 = 0 0 + 8y = -20 + 4 8y = -20 + 4 Combine like terms: -20 + 4 = -16 8y = -16 Divide each side by '8'. y = -2 Simplifying y = -2
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