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