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Simplifying 6X + -21 = 2(3X + -5) Reorder the terms: -21 + 6X = 2(3X + -5) Reorder the terms: -21 + 6X = 2(-5 + 3X) -21 + 6X = (-5 * 2 + 3X * 2) -21 + 6X = (-10 + 6X) Add '-6X' to each side of the equation. -21 + 6X + -6X = -10 + 6X + -6X Combine like terms: 6X + -6X = 0 -21 + 0 = -10 + 6X + -6X -21 = -10 + 6X + -6X Combine like terms: 6X + -6X = 0 -21 = -10 + 0 -21 = -10 Solving -21 = -10 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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