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Simplifying (4x4 + 5x3 + -6x2 + 4x + -12) + -1(-8x4 + 4x3 + x2 + -4x + 13) = y Reorder the terms: (-12 + 4x + -6x2 + 5x3 + 4x4) + -1(-8x4 + 4x3 + x2 + -4x + 13) = y Remove parenthesis around (-12 + 4x + -6x2 + 5x3 + 4x4) -12 + 4x + -6x2 + 5x3 + 4x4 + -1(-8x4 + 4x3 + x2 + -4x + 13) = y Reorder the terms: -12 + 4x + -6x2 + 5x3 + 4x4 + -1(13 + -4x + x2 + 4x3 + -8x4) = y -12 + 4x + -6x2 + 5x3 + 4x4 + (13 * -1 + -4x * -1 + x2 * -1 + 4x3 * -1 + -8x4 * -1) = y -12 + 4x + -6x2 + 5x3 + 4x4 + (-13 + 4x + -1x2 + -4x3 + 8x4) = y Reorder the terms: -12 + -13 + 4x + 4x + -6x2 + -1x2 + 5x3 + -4x3 + 4x4 + 8x4 = y Combine like terms: -12 + -13 = -25 -25 + 4x + 4x + -6x2 + -1x2 + 5x3 + -4x3 + 4x4 + 8x4 = y Combine like terms: 4x + 4x = 8x -25 + 8x + -6x2 + -1x2 + 5x3 + -4x3 + 4x4 + 8x4 = y Combine like terms: -6x2 + -1x2 = -7x2 -25 + 8x + -7x2 + 5x3 + -4x3 + 4x4 + 8x4 = y Combine like terms: 5x3 + -4x3 = 1x3 -25 + 8x + -7x2 + 1x3 + 4x4 + 8x4 = y Combine like terms: 4x4 + 8x4 = 12x4 -25 + 8x + -7x2 + 1x3 + 12x4 = y Solving -25 + 8x + -7x2 + 1x3 + 12x4 = y Solving for variable 'x'. Combine like terms: y + -1y = 0 -25 + 8x + -7x2 + 1x3 + 12x4 + -1y = 0 The solution to this equation could not be determined.
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