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Simplifying 9y2 + 42 + 49 = 0 Reorder the terms: 42 + 49 + 9y2 = 0 Combine like terms: 42 + 49 = 91 91 + 9y2 = 0 Solving 91 + 9y2 = 0 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-91' to each side of the equation. 91 + -91 + 9y2 = 0 + -91 Combine like terms: 91 + -91 = 0 0 + 9y2 = 0 + -91 9y2 = 0 + -91 Combine like terms: 0 + -91 = -91 9y2 = -91 Divide each side by '9'. y2 = -10.11111111 Simplifying y2 = -10.11111111 Reorder the terms: 10.11111111 + y2 = -10.11111111 + 10.11111111 Combine like terms: -10.11111111 + 10.11111111 = 0.00000000 10.11111111 + y2 = 0.00000000 The solution to this equation could not be determined.
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