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Simplifying X4 + -13x2 + 3 = 7 Reorder the terms: 3 + X4 + -13x2 = 7 Solving 3 + X4 + -13x2 = 7 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + X4 + -3 + -13x2 = 7 + -3 Reorder the terms: 3 + -3 + X4 + -13x2 = 7 + -3 Combine like terms: 3 + -3 = 0 0 + X4 + -13x2 = 7 + -3 X4 + -13x2 = 7 + -3 Combine like terms: 7 + -3 = 4 X4 + -13x2 = 4 Add '13x2' to each side of the equation. X4 + -13x2 + 13x2 = 4 + 13x2 Combine like terms: -13x2 + 13x2 = 0 X4 + 0 = 4 + 13x2 X4 = 4 + 13x2 Simplifying X4 = 4 + 13x2 Reorder the terms: -4 + X4 + -13x2 = 4 + 13x2 + -4 + -13x2 Reorder the terms: -4 + X4 + -13x2 = 4 + -4 + 13x2 + -13x2 Combine like terms: 4 + -4 = 0 -4 + X4 + -13x2 = 0 + 13x2 + -13x2 -4 + X4 + -13x2 = 13x2 + -13x2 Combine like terms: 13x2 + -13x2 = 0 -4 + X4 + -13x2 = 0 The solution to this equation could not be determined.
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