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Simplifying 7(b + -3) = 7b + 2 Reorder the terms: 7(-3 + b) = 7b + 2 (-3 * 7 + b * 7) = 7b + 2 (-21 + 7b) = 7b + 2 Reorder the terms: -21 + 7b = 2 + 7b Add '-7b' to each side of the equation. -21 + 7b + -7b = 2 + 7b + -7b Combine like terms: 7b + -7b = 0 -21 + 0 = 2 + 7b + -7b -21 = 2 + 7b + -7b Combine like terms: 7b + -7b = 0 -21 = 2 + 0 -21 = 2 Solving -21 = 2 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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