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Simplifying 7xy2 + 5xy + -2ay + -7y = 0 Reorder the terms: -2ay + 5xy + 7xy2 + -7y = 0 Solving -2ay + 5xy + 7xy2 + -7y = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-5xy' to each side of the equation. -2ay + 5xy + 7xy2 + -5xy + -7y = 0 + -5xy Reorder the terms: -2ay + 5xy + -5xy + 7xy2 + -7y = 0 + -5xy Combine like terms: 5xy + -5xy = 0 -2ay + 0 + 7xy2 + -7y = 0 + -5xy -2ay + 7xy2 + -7y = 0 + -5xy Remove the zero: -2ay + 7xy2 + -7y = -5xy Add '-7xy2' to each side of the equation. -2ay + 7xy2 + -7xy2 + -7y = -5xy + -7xy2 Combine like terms: 7xy2 + -7xy2 = 0 -2ay + 0 + -7y = -5xy + -7xy2 -2ay + -7y = -5xy + -7xy2 Add '7y' to each side of the equation. -2ay + -7y + 7y = -5xy + -7xy2 + 7y Combine like terms: -7y + 7y = 0 -2ay + 0 = -5xy + -7xy2 + 7y -2ay = -5xy + -7xy2 + 7y Divide each side by '-2y'. a = 2.5x + 3.5xy + -3.5 Simplifying a = 2.5x + 3.5xy + -3.5 Reorder the terms: a = -3.5 + 2.5x + 3.5xy
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