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Simplifying 2b + 7 = -1(3 + -2b) Reorder the terms: 7 + 2b = -1(3 + -2b) 7 + 2b = (3 * -1 + -2b * -1) 7 + 2b = (-3 + 2b) Add '-2b' to each side of the equation. 7 + 2b + -2b = -3 + 2b + -2b Combine like terms: 2b + -2b = 0 7 + 0 = -3 + 2b + -2b 7 = -3 + 2b + -2b Combine like terms: 2b + -2b = 0 7 = -3 + 0 7 = -3 Solving 7 = -3 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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