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Simplifying 0 = x2y + 9y + 7x2 + 63 Reorder the terms: 0 = 63 + 7x2 + x2y + 9y Solving 0 = 63 + 7x2 + x2y + 9y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x2' to each side of the equation. 0 + -7x2 = 63 + 7x2 + x2y + -7x2 + 9y Remove the zero: -7x2 = 63 + 7x2 + x2y + -7x2 + 9y Reorder the terms: -7x2 = 63 + 7x2 + -7x2 + x2y + 9y Combine like terms: 7x2 + -7x2 = 0 -7x2 = 63 + 0 + x2y + 9y -7x2 = 63 + x2y + 9y Add '-1x2y' to each side of the equation. -7x2 + -1x2y = 63 + x2y + -1x2y + 9y Combine like terms: x2y + -1x2y = 0 -7x2 + -1x2y = 63 + 0 + 9y -7x2 + -1x2y = 63 + 9y Reorder the terms: -63 + -7x2 + -1x2y + -9y = 63 + 9y + -63 + -9y Reorder the terms: -63 + -7x2 + -1x2y + -9y = 63 + -63 + 9y + -9y Combine like terms: 63 + -63 = 0 -63 + -7x2 + -1x2y + -9y = 0 + 9y + -9y -63 + -7x2 + -1x2y + -9y = 9y + -9y Combine like terms: 9y + -9y = 0 -63 + -7x2 + -1x2y + -9y = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(63 + 7x2 + x2y + 9y) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(63 + 7x2 + x2y + 9y)' equal to zero and attempt to solve: Simplifying 63 + 7x2 + x2y + 9y = 0 Solving 63 + 7x2 + x2y + 9y = 0 Move all terms containing x to the left, all other terms to the right. Add '-63' to each side of the equation. 63 + 7x2 + x2y + -63 + 9y = 0 + -63 Reorder the terms: 63 + -63 + 7x2 + x2y + 9y = 0 + -63 Combine like terms: 63 + -63 = 0 0 + 7x2 + x2y + 9y = 0 + -63 7x2 + x2y + 9y = 0 + -63 Combine like terms: 0 + -63 = -63 7x2 + x2y + 9y = -63 Add '-9y' to each side of the equation. 7x2 + x2y + 9y + -9y = -63 + -9y Combine like terms: 9y + -9y = 0 7x2 + x2y + 0 = -63 + -9y 7x2 + x2y = -63 + -9y 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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