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Simplifying 3(-2 + -3b) = -9b + -4 (-2 * 3 + -3b * 3) = -9b + -4 (-6 + -9b) = -9b + -4 Reorder the terms: -6 + -9b = -4 + -9b Add '9b' to each side of the equation. -6 + -9b + 9b = -4 + -9b + 9b Combine like terms: -9b + 9b = 0 -6 + 0 = -4 + -9b + 9b -6 = -4 + -9b + 9b Combine like terms: -9b + 9b = 0 -6 = -4 + 0 -6 = -4 Solving -6 = -4 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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