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Simplifying 9(y + 7) = 11y + -2y + 4 Reorder the terms: 9(7 + y) = 11y + -2y + 4 (7 * 9 + y * 9) = 11y + -2y + 4 (63 + 9y) = 11y + -2y + 4 Reorder the terms: 63 + 9y = 4 + 11y + -2y Combine like terms: 11y + -2y = 9y 63 + 9y = 4 + 9y Add '-9y' to each side of the equation. 63 + 9y + -9y = 4 + 9y + -9y Combine like terms: 9y + -9y = 0 63 + 0 = 4 + 9y + -9y 63 = 4 + 9y + -9y Combine like terms: 9y + -9y = 0 63 = 4 + 0 63 = 4 Solving 63 = 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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