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Simplifying 4(1 + 2b) = 1 + -2(4 + -4b) (1 * 4 + 2b * 4) = 1 + -2(4 + -4b) (4 + 8b) = 1 + -2(4 + -4b) 4 + 8b = 1 + (4 * -2 + -4b * -2) 4 + 8b = 1 + (-8 + 8b) Combine like terms: 1 + -8 = -7 4 + 8b = -7 + 8b Add '-8b' to each side of the equation. 4 + 8b + -8b = -7 + 8b + -8b Combine like terms: 8b + -8b = 0 4 + 0 = -7 + 8b + -8b 4 = -7 + 8b + -8b Combine like terms: 8b + -8b = 0 4 = -7 + 0 4 = -7 Solving 4 = -7 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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