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Simplifying (7x + -2xy + y) + (-9x + 7y) = 0 Remove parenthesis around (7x + -2xy + y) 7x + -2xy + y + (-9x + 7y) = 0 Remove parenthesis around (-9x + 7y) 7x + -2xy + y + -9x + 7y = 0 Reorder the terms: 7x + -9x + -2xy + y + 7y = 0 Combine like terms: 7x + -9x = -2x -2x + -2xy + y + 7y = 0 Combine like terms: y + 7y = 8y -2x + -2xy + 8y = 0 Solving -2x + -2xy + 8y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8y' to each side of the equation. -2x + -2xy + 8y + -8y = 0 + -8y Combine like terms: 8y + -8y = 0 -2x + -2xy + 0 = 0 + -8y -2x + -2xy = 0 + -8y Remove the zero: -2x + -2xy = -8y Combine like terms: -8y + 8y = 0 -2x + -2xy + 8y = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-1x + -1xy + 4y) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-1x + -1xy + 4y)' equal to zero and attempt to solve: Simplifying -1x + -1xy + 4y = 0 Solving -1x + -1xy + 4y = 0 Move all terms containing x to the left, all other terms to the right. Add '-4y' to each side of the equation. -1x + -1xy + 4y + -4y = 0 + -4y Combine like terms: 4y + -4y = 0 -1x + -1xy + 0 = 0 + -4y -1x + -1xy = 0 + -4y Remove the zero: -1x + -1xy = -4y The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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