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Simplifying 7x + 2xy + 9y + -42 = 0 Reorder the terms: -42 + 7x + 2xy + 9y = 0 Solving -42 + 7x + 2xy + 9y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '42' to each side of the equation. -42 + 7x + 2xy + 42 + 9y = 0 + 42 Reorder the terms: -42 + 42 + 7x + 2xy + 9y = 0 + 42 Combine like terms: -42 + 42 = 0 0 + 7x + 2xy + 9y = 0 + 42 7x + 2xy + 9y = 0 + 42 Combine like terms: 0 + 42 = 42 7x + 2xy + 9y = 42 Add '-9y' to each side of the equation. 7x + 2xy + 9y + -9y = 42 + -9y Combine like terms: 9y + -9y = 0 7x + 2xy + 0 = 42 + -9y 7x + 2xy = 42 + -9y Reorder the terms: -42 + 7x + 2xy + 9y = 42 + -9y + -42 + 9y Reorder the terms: -42 + 7x + 2xy + 9y = 42 + -42 + -9y + 9y Combine like terms: 42 + -42 = 0 -42 + 7x + 2xy + 9y = 0 + -9y + 9y -42 + 7x + 2xy + 9y = -9y + 9y Combine like terms: -9y + 9y = 0 -42 + 7x + 2xy + 9y = 0 The solution to this equation could not be determined.
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