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Simplifying 7(b + 4) = 7(b + -2) Reorder the terms: 7(4 + b) = 7(b + -2) (4 * 7 + b * 7) = 7(b + -2) (28 + 7b) = 7(b + -2) Reorder the terms: 28 + 7b = 7(-2 + b) 28 + 7b = (-2 * 7 + b * 7) 28 + 7b = (-14 + 7b) Add '-7b' to each side of the equation. 28 + 7b + -7b = -14 + 7b + -7b Combine like terms: 7b + -7b = 0 28 + 0 = -14 + 7b + -7b 28 = -14 + 7b + -7b Combine like terms: 7b + -7b = 0 28 = -14 + 0 28 = -14 Solving 28 = -14 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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