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Simplifying 7xy + 3x + -4 + 2(x + y) = 0 7xy + 3x + -4 + (x * 2 + y * 2) = 0 7xy + 3x + -4 + (2x + 2y) = 0 Reorder the terms: -4 + 3x + 2x + 7xy + 2y = 0 Combine like terms: 3x + 2x = 5x -4 + 5x + 7xy + 2y = 0 Solving -4 + 5x + 7xy + 2y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 5x + 7xy + 4 + 2y = 0 + 4 Reorder the terms: -4 + 4 + 5x + 7xy + 2y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 5x + 7xy + 2y = 0 + 4 5x + 7xy + 2y = 0 + 4 Combine like terms: 0 + 4 = 4 5x + 7xy + 2y = 4 Add '-2y' to each side of the equation. 5x + 7xy + 2y + -2y = 4 + -2y Combine like terms: 2y + -2y = 0 5x + 7xy + 0 = 4 + -2y 5x + 7xy = 4 + -2y Reorder the terms: -4 + 5x + 7xy + 2y = 4 + -2y + -4 + 2y Reorder the terms: -4 + 5x + 7xy + 2y = 4 + -4 + -2y + 2y Combine like terms: 4 + -4 = 0 -4 + 5x + 7xy + 2y = 0 + -2y + 2y -4 + 5x + 7xy + 2y = -2y + 2y Combine like terms: -2y + 2y = 0 -4 + 5x + 7xy + 2y = 0 The solution to this equation could not be determined.
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