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Simplifying 7x3 + 9x2 + -5a2 = 0 Reorder the terms: -5a2 + 9x2 + 7x3 = 0 Solving -5a2 + 9x2 + 7x3 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-9x2' to each side of the equation. -5a2 + 9x2 + -9x2 + 7x3 = 0 + -9x2 Combine like terms: 9x2 + -9x2 = 0 -5a2 + 0 + 7x3 = 0 + -9x2 -5a2 + 7x3 = 0 + -9x2 Remove the zero: -5a2 + 7x3 = -9x2 Add '-7x3' to each side of the equation. -5a2 + 7x3 + -7x3 = -9x2 + -7x3 Combine like terms: 7x3 + -7x3 = 0 -5a2 + 0 = -9x2 + -7x3 -5a2 = -9x2 + -7x3 Divide each side by '-5'. a2 = 1.8x2 + 1.4x3 Simplifying a2 = 1.8x2 + 1.4x3 Reorder the terms: a2 + -1.8x2 + -1.4x3 = 1.8x2 + -1.8x2 + 1.4x3 + -1.4x3 Combine like terms: 1.8x2 + -1.8x2 = 0.0 a2 + -1.8x2 + -1.4x3 = 0.0 + 1.4x3 + -1.4x3 a2 + -1.8x2 + -1.4x3 = 1.4x3 + -1.4x3 Combine like terms: 1.4x3 + -1.4x3 = 0.0 a2 + -1.8x2 + -1.4x3 = 0.0 The solution to this equation could not be determined.
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