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Simplifying 0.2(15b + -7) = 3b + -9 Reorder the terms: 0.2(-7 + 15b) = 3b + -9 (-7 * 0.2 + 15b * 0.2) = 3b + -9 (-1.4 + 3b) = 3b + -9 Reorder the terms: -1.4 + 3b = -9 + 3b Add '-3b' to each side of the equation. -1.4 + 3b + -3b = -9 + 3b + -3b Combine like terms: 3b + -3b = 0 -1.4 + 0 = -9 + 3b + -3b -1.4 = -9 + 3b + -3b Combine like terms: 3b + -3b = 0 -1.4 = -9 + 0 -1.4 = -9 Solving -1.4 = -9 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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