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Simplifying 7(1 + -1y) + 4y = -3(y + 2) (1 * 7 + -1y * 7) + 4y = -3(y + 2) (7 + -7y) + 4y = -3(y + 2) Combine like terms: -7y + 4y = -3y 7 + -3y = -3(y + 2) Reorder the terms: 7 + -3y = -3(2 + y) 7 + -3y = (2 * -3 + y * -3) 7 + -3y = (-6 + -3y) Add '3y' to each side of the equation. 7 + -3y + 3y = -6 + -3y + 3y Combine like terms: -3y + 3y = 0 7 + 0 = -6 + -3y + 3y 7 = -6 + -3y + 3y Combine like terms: -3y + 3y = 0 7 = -6 + 0 7 = -6 Solving 7 = -6 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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