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Simplifying (-7x3 + x2 + 5x + 3) + -1(x3 + 4x2 + 7) = 0 Reorder the terms: (3 + 5x + x2 + -7x3) + -1(x3 + 4x2 + 7) = 0 Remove parenthesis around (3 + 5x + x2 + -7x3) 3 + 5x + x2 + -7x3 + -1(x3 + 4x2 + 7) = 0 Reorder the terms: 3 + 5x + x2 + -7x3 + -1(7 + 4x2 + x3) = 0 3 + 5x + x2 + -7x3 + (7 * -1 + 4x2 * -1 + x3 * -1) = 0 3 + 5x + x2 + -7x3 + (-7 + -4x2 + -1x3) = 0 Reorder the terms: 3 + -7 + 5x + x2 + -4x2 + -7x3 + -1x3 = 0 Combine like terms: 3 + -7 = -4 -4 + 5x + x2 + -4x2 + -7x3 + -1x3 = 0 Combine like terms: x2 + -4x2 = -3x2 -4 + 5x + -3x2 + -7x3 + -1x3 = 0 Combine like terms: -7x3 + -1x3 = -8x3 -4 + 5x + -3x2 + -8x3 = 0 Solving -4 + 5x + -3x2 + -8x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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