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Simplifying y + 30 = y + 30 Reorder the terms: 30 + y = y + 30 Reorder the terms: 30 + y = 30 + y Add '-30' to each side of the equation. 30 + -30 + y = 30 + -30 + y Combine like terms: 30 + -30 = 0 0 + y = 30 + -30 + y y = 30 + -30 + y Combine like terms: 30 + -30 = 0 y = 0 + y y = y Add '-1y' to each side of the equation. y + -1y = y + -1y Combine like terms: y + -1y = 0 0 = y + -1y Combine like terms: y + -1y = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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