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Simplifying 7 + 15x + 2X2 = 0 Reorder the terms: 7 + 2X2 + 15x = 0 Solving 7 + 2X2 + 15x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + 2X2 + -7 + 15x = 0 + -7 Reorder the terms: 7 + -7 + 2X2 + 15x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 2X2 + 15x = 0 + -7 2X2 + 15x = 0 + -7 Combine like terms: 0 + -7 = -7 2X2 + 15x = -7 Add '-15x' to each side of the equation. 2X2 + 15x + -15x = -7 + -15x Combine like terms: 15x + -15x = 0 2X2 + 0 = -7 + -15x 2X2 = -7 + -15x Divide each side by '2'. X2 = -3.5 + -7.5x Simplifying X2 = -3.5 + -7.5x Reorder the terms: 3.5 + X2 + 7.5x = -3.5 + -7.5x + 3.5 + 7.5x Reorder the terms: 3.5 + X2 + 7.5x = -3.5 + 3.5 + -7.5x + 7.5x Combine like terms: -3.5 + 3.5 = 0.0 3.5 + X2 + 7.5x = 0.0 + -7.5x + 7.5x 3.5 + X2 + 7.5x = -7.5x + 7.5x Combine like terms: -7.5x + 7.5x = 0.0 3.5 + X2 + 7.5x = 0.0 The solution to this equation could not be determined.
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