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Simplifying 5y + 4 = 7(y + 1) + -2y Reorder the terms: 4 + 5y = 7(y + 1) + -2y Reorder the terms: 4 + 5y = 7(1 + y) + -2y 4 + 5y = (1 * 7 + y * 7) + -2y 4 + 5y = (7 + 7y) + -2y Combine like terms: 7y + -2y = 5y 4 + 5y = 7 + 5y Add '-5y' to each side of the equation. 4 + 5y + -5y = 7 + 5y + -5y Combine like terms: 5y + -5y = 0 4 + 0 = 7 + 5y + -5y 4 = 7 + 5y + -5y Combine like terms: 5y + -5y = 0 4 = 7 + 0 4 = 7 Solving 4 = 7 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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