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Simplifying 21y + 49 = 21y + -28 Reorder the terms: 49 + 21y = 21y + -28 Reorder the terms: 49 + 21y = -28 + 21y Add '-21y' to each side of the equation. 49 + 21y + -21y = -28 + 21y + -21y Combine like terms: 21y + -21y = 0 49 + 0 = -28 + 21y + -21y 49 = -28 + 21y + -21y Combine like terms: 21y + -21y = 0 49 = -28 + 0 49 = -28 Solving 49 = -28 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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