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Simplifying -2a2 + 12b + 7 = 0 Reorder the terms: 7 + -2a2 + 12b = 0 Solving 7 + -2a2 + 12b = 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 + 12b = 0 + -7 Reorder the terms: 7 + -7 + -2a2 + 12b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2a2 + 12b = 0 + -7 -2a2 + 12b = 0 + -7 Combine like terms: 0 + -7 = -7 -2a2 + 12b = -7 Add '-12b' to each side of the equation. -2a2 + 12b + -12b = -7 + -12b Combine like terms: 12b + -12b = 0 -2a2 + 0 = -7 + -12b -2a2 = -7 + -12b Divide each side by '-2'. a2 = 3.5 + 6b Simplifying a2 = 3.5 + 6b Reorder the terms: -3.5 + a2 + -6b = 3.5 + 6b + -3.5 + -6b Reorder the terms: -3.5 + a2 + -6b = 3.5 + -3.5 + 6b + -6b Combine like terms: 3.5 + -3.5 = 0.0 -3.5 + a2 + -6b = 0.0 + 6b + -6b -3.5 + a2 + -6b = 6b + -6b Combine like terms: 6b + -6b = 0 -3.5 + a2 + -6b = 0 The solution to this equation could not be determined.
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