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Simplifying -2(-1 + -2y) = 7y (-1 * -2 + -2y * -2) = 7y (2 + 4y) = 7y Solving 2 + 4y = 7y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-7y' to each side of the equation. 2 + 4y + -7y = 7y + -7y Combine like terms: 4y + -7y = -3y 2 + -3y = 7y + -7y Combine like terms: 7y + -7y = 0 2 + -3y = 0 Add '-2' to each side of the equation. 2 + -2 + -3y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3y = 0 + -2 -3y = 0 + -2 Combine like terms: 0 + -2 = -2 -3y = -2 Divide each side by '-3'. y = 0.6666666667 Simplifying y = 0.6666666667
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