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Simplifying 2(x + -10) = 20 + 2x Reorder the terms: 2(-10 + x) = 20 + 2x (-10 * 2 + x * 2) = 20 + 2x (-20 + 2x) = 20 + 2x Add '-2x' to each side of the equation. -20 + 2x + -2x = 20 + 2x + -2x Combine like terms: 2x + -2x = 0 -20 + 0 = 20 + 2x + -2x -20 = 20 + 2x + -2x Combine like terms: 2x + -2x = 0 -20 = 20 + 0 -20 = 20 Solving -20 = 20 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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