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Simplifying X2 + -7x2 + -18 = 0 Reorder the terms: -18 + X2 + -7x2 = 0 Solving -18 + X2 + -7x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '18' to each side of the equation. -18 + X2 + 18 + -7x2 = 0 + 18 Reorder the terms: -18 + 18 + X2 + -7x2 = 0 + 18 Combine like terms: -18 + 18 = 0 0 + X2 + -7x2 = 0 + 18 X2 + -7x2 = 0 + 18 Combine like terms: 0 + 18 = 18 X2 + -7x2 = 18 Add '7x2' to each side of the equation. X2 + -7x2 + 7x2 = 18 + 7x2 Combine like terms: -7x2 + 7x2 = 0 X2 + 0 = 18 + 7x2 X2 = 18 + 7x2 Simplifying X2 = 18 + 7x2 Reorder the terms: -18 + X2 + -7x2 = 18 + 7x2 + -18 + -7x2 Reorder the terms: -18 + X2 + -7x2 = 18 + -18 + 7x2 + -7x2 Combine like terms: 18 + -18 = 0 -18 + X2 + -7x2 = 0 + 7x2 + -7x2 -18 + X2 + -7x2 = 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 -18 + X2 + -7x2 = 0 The solution to this equation could not be determined.
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