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Simplifying 2a2 + 4x + -7 = 0 Reorder the terms: -7 + 2a2 + 4x = 0 Solving -7 + 2a2 + 4x = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 2a2 + 7 + 4x = 0 + 7 Reorder the terms: -7 + 7 + 2a2 + 4x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 2a2 + 4x = 0 + 7 2a2 + 4x = 0 + 7 Combine like terms: 0 + 7 = 7 2a2 + 4x = 7 Add '-4x' to each side of the equation. 2a2 + 4x + -4x = 7 + -4x Combine like terms: 4x + -4x = 0 2a2 + 0 = 7 + -4x 2a2 = 7 + -4x Divide each side by '2'. a2 = 3.5 + -2x Simplifying a2 = 3.5 + -2x Reorder the terms: -3.5 + a2 + 2x = 3.5 + -2x + -3.5 + 2x Reorder the terms: -3.5 + a2 + 2x = 3.5 + -3.5 + -2x + 2x Combine like terms: 3.5 + -3.5 = 0.0 -3.5 + a2 + 2x = 0.0 + -2x + 2x -3.5 + a2 + 2x = -2x + 2x Combine like terms: -2x + 2x = 0 -3.5 + a2 + 2x = 0 The solution to this equation could not be determined.
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