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Simplifying 2y + 7 = 2y + 7 Reorder the terms: 7 + 2y = 2y + 7 Reorder the terms: 7 + 2y = 7 + 2y Add '-7' to each side of the equation. 7 + -7 + 2y = 7 + -7 + 2y Combine like terms: 7 + -7 = 0 0 + 2y = 7 + -7 + 2y 2y = 7 + -7 + 2y Combine like terms: 7 + -7 = 0 2y = 0 + 2y 2y = 2y Add '-2y' to each side of the equation. 2y + -2y = 2y + -2y Combine like terms: 2y + -2y = 0 0 = 2y + -2y Combine like terms: 2y + -2y = 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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