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Simplifying 3x2 + -4ab + 7 + ab = 0 Reorder the terms: 7 + -4ab + ab + 3x2 = 0 Combine like terms: -4ab + ab = -3ab 7 + -3ab + 3x2 = 0 Solving 7 + -3ab + 3x2 = 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 + -3ab + -7 + 3x2 = 0 + -7 Reorder the terms: 7 + -7 + -3ab + 3x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3ab + 3x2 = 0 + -7 -3ab + 3x2 = 0 + -7 Combine like terms: 0 + -7 = -7 -3ab + 3x2 = -7 Add '-3x2' to each side of the equation. -3ab + 3x2 + -3x2 = -7 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -3ab + 0 = -7 + -3x2 -3ab = -7 + -3x2 Divide each side by '-3b'. a = 2.333333333b-1 + b-1x2 Simplifying a = 2.333333333b-1 + b-1x2
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