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Simplifying 49 + -7x + xy + -7y = 0 Solving 49 + -7x + xy + -7y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-49' to each side of the equation. 49 + -7x + xy + -49 + -7y = 0 + -49 Reorder the terms: 49 + -49 + -7x + xy + -7y = 0 + -49 Combine like terms: 49 + -49 = 0 0 + -7x + xy + -7y = 0 + -49 -7x + xy + -7y = 0 + -49 Combine like terms: 0 + -49 = -49 -7x + xy + -7y = -49 Add '7y' to each side of the equation. -7x + xy + -7y + 7y = -49 + 7y Combine like terms: -7y + 7y = 0 -7x + xy + 0 = -49 + 7y -7x + xy = -49 + 7y Reorder the terms: 49 + -7x + xy + -7y = -49 + 7y + 49 + -7y Reorder the terms: 49 + -7x + xy + -7y = -49 + 49 + 7y + -7y Combine like terms: -49 + 49 = 0 49 + -7x + xy + -7y = 0 + 7y + -7y 49 + -7x + xy + -7y = 7y + -7y Combine like terms: 7y + -7y = 0 49 + -7x + xy + -7y = 0 The solution to this equation could not be determined.
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