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Simplifying 8b + 13 = -4(-1 + -2b) Reorder the terms: 13 + 8b = -4(-1 + -2b) 13 + 8b = (-1 * -4 + -2b * -4) 13 + 8b = (4 + 8b) Add '-8b' to each side of the equation. 13 + 8b + -8b = 4 + 8b + -8b Combine like terms: 8b + -8b = 0 13 + 0 = 4 + 8b + -8b 13 = 4 + 8b + -8b Combine like terms: 8b + -8b = 0 13 = 4 + 0 13 = 4 Solving 13 = 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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