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Simplifying 7(2y + -3) = 12y + 3 + 2y Reorder the terms: 7(-3 + 2y) = 12y + 3 + 2y (-3 * 7 + 2y * 7) = 12y + 3 + 2y (-21 + 14y) = 12y + 3 + 2y Reorder the terms: -21 + 14y = 3 + 12y + 2y Combine like terms: 12y + 2y = 14y -21 + 14y = 3 + 14y Add '-14y' to each side of the equation. -21 + 14y + -14y = 3 + 14y + -14y Combine like terms: 14y + -14y = 0 -21 + 0 = 3 + 14y + -14y -21 = 3 + 14y + -14y Combine like terms: 14y + -14y = 0 -21 = 3 + 0 -21 = 3 Solving -21 = 3 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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