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Simplifying X2 + x + x + -80 = 420 Reorder the terms: -80 + X2 + x + x = 420 Combine like terms: x + x = 2x -80 + X2 + 2x = 420 Solving -80 + X2 + 2x = 420 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '80' to each side of the equation. -80 + X2 + 80 + 2x = 420 + 80 Reorder the terms: -80 + 80 + X2 + 2x = 420 + 80 Combine like terms: -80 + 80 = 0 0 + X2 + 2x = 420 + 80 X2 + 2x = 420 + 80 Combine like terms: 420 + 80 = 500 X2 + 2x = 500 Add '-2x' to each side of the equation. X2 + 2x + -2x = 500 + -2x Combine like terms: 2x + -2x = 0 X2 + 0 = 500 + -2x X2 = 500 + -2x Simplifying X2 = 500 + -2x Reorder the terms: -500 + X2 + 2x = 500 + -2x + -500 + 2x Reorder the terms: -500 + X2 + 2x = 500 + -500 + -2x + 2x Combine like terms: 500 + -500 = 0 -500 + X2 + 2x = 0 + -2x + 2x -500 + X2 + 2x = -2x + 2x Combine like terms: -2x + 2x = 0 -500 + X2 + 2x = 0 The solution to this equation could not be determined.
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