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Simplifying 6b + -21 = 3(2b + -13) Reorder the terms: -21 + 6b = 3(2b + -13) Reorder the terms: -21 + 6b = 3(-13 + 2b) -21 + 6b = (-13 * 3 + 2b * 3) -21 + 6b = (-39 + 6b) Add '-6b' to each side of the equation. -21 + 6b + -6b = -39 + 6b + -6b Combine like terms: 6b + -6b = 0 -21 + 0 = -39 + 6b + -6b -21 = -39 + 6b + -6b Combine like terms: 6b + -6b = 0 -21 = -39 + 0 -21 = -39 Solving -21 = -39 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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