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Simplifying (4x4 + x2 + -8) + (-1x4 + -3x + 5) = 3x4 + x2 + -3x + -3 Reorder the terms: (-8 + x2 + 4x4) + (-1x4 + -3x + 5) = 3x4 + x2 + -3x + -3 Remove parenthesis around (-8 + x2 + 4x4) -8 + x2 + 4x4 + (-1x4 + -3x + 5) = 3x4 + x2 + -3x + -3 Reorder the terms: -8 + x2 + 4x4 + (5 + -3x + -1x4) = 3x4 + x2 + -3x + -3 Remove parenthesis around (5 + -3x + -1x4) -8 + x2 + 4x4 + 5 + -3x + -1x4 = 3x4 + x2 + -3x + -3 Reorder the terms: -8 + 5 + -3x + x2 + 4x4 + -1x4 = 3x4 + x2 + -3x + -3 Combine like terms: -8 + 5 = -3 -3 + -3x + x2 + 4x4 + -1x4 = 3x4 + x2 + -3x + -3 Combine like terms: 4x4 + -1x4 = 3x4 -3 + -3x + x2 + 3x4 = 3x4 + x2 + -3x + -3 Reorder the terms: -3 + -3x + x2 + 3x4 = -3 + -3x + x2 + 3x4 Add '3' to each side of the equation. -3 + -3x + x2 + 3 + 3x4 = -3 + -3x + x2 + 3 + 3x4 Reorder the terms: -3 + 3 + -3x + x2 + 3x4 = -3 + -3x + x2 + 3 + 3x4 Combine like terms: -3 + 3 = 0 0 + -3x + x2 + 3x4 = -3 + -3x + x2 + 3 + 3x4 -3x + x2 + 3x4 = -3 + -3x + x2 + 3 + 3x4 Reorder the terms: -3x + x2 + 3x4 = -3 + 3 + -3x + x2 + 3x4 Combine like terms: -3 + 3 = 0 -3x + x2 + 3x4 = 0 + -3x + x2 + 3x4 -3x + x2 + 3x4 = -3x + x2 + 3x4 Add '3x' to each side of the equation. -3x + x2 + 3x + 3x4 = -3x + x2 + 3x + 3x4 Reorder the terms: -3x + 3x + x2 + 3x4 = -3x + x2 + 3x + 3x4 Combine like terms: -3x + 3x = 0 0 + x2 + 3x4 = -3x + x2 + 3x + 3x4 x2 + 3x4 = -3x + x2 + 3x + 3x4 Reorder the terms: x2 + 3x4 = -3x + 3x + x2 + 3x4 Combine like terms: -3x + 3x = 0 x2 + 3x4 = 0 + x2 + 3x4 x2 + 3x4 = x2 + 3x4 Add '-1x2' to each side of the equation. x2 + -1x2 + 3x4 = x2 + -1x2 + 3x4 Combine like terms: x2 + -1x2 = 0 0 + 3x4 = x2 + -1x2 + 3x4 3x4 = x2 + -1x2 + 3x4 Combine like terms: x2 + -1x2 = 0 3x4 = 0 + 3x4 3x4 = 3x4 Add '-3x4' to each side of the equation. 3x4 + -3x4 = 3x4 + -3x4 Combine like terms: 3x4 + -3x4 = 0 0 = 3x4 + -3x4 Combine like terms: 3x4 + -3x4 = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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