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Simplifying 0 = X3 + 7x2 + -1x + -7 Reorder the terms: 0 = -7 + X3 + -1x + 7x2 Solving 0 = -7 + X3 + -1x + 7x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1X3' to each side of the equation. 0 + -1X3 = -7 + X3 + -1x + -1X3 + 7x2 Remove the zero: -1X3 = -7 + X3 + -1x + -1X3 + 7x2 Reorder the terms: -1X3 = -7 + X3 + -1X3 + -1x + 7x2 Combine like terms: X3 + -1X3 = 0 -1X3 = -7 + 0 + -1x + 7x2 -1X3 = -7 + -1x + 7x2 Divide each side by '-1'. X3 = 7 + x + -7x2 Simplifying X3 = 7 + x + -7x2 Reorder the terms: -7 + X3 + -1x + 7x2 = 7 + x + -7x2 + -7 + -1x + 7x2 Reorder the terms: -7 + X3 + -1x + 7x2 = 7 + -7 + x + -1x + -7x2 + 7x2 Combine like terms: 7 + -7 = 0 -7 + X3 + -1x + 7x2 = 0 + x + -1x + -7x2 + 7x2 -7 + X3 + -1x + 7x2 = x + -1x + -7x2 + 7x2 Combine like terms: x + -1x = 0 -7 + X3 + -1x + 7x2 = 0 + -7x2 + 7x2 -7 + X3 + -1x + 7x2 = -7x2 + 7x2 Combine like terms: -7x2 + 7x2 = 0 -7 + X3 + -1x + 7x2 = 0 The solution to this equation could not be determined.
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