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Simplifying 2x + -20 = 2x + 80 Reorder the terms: -20 + 2x = 2x + 80 Reorder the terms: -20 + 2x = 80 + 2x Add '-2x' to each side of the equation. -20 + 2x + -2x = 80 + 2x + -2x Combine like terms: 2x + -2x = 0 -20 + 0 = 80 + 2x + -2x -20 = 80 + 2x + -2x Combine like terms: 2x + -2x = 0 -20 = 80 + 0 -20 = 80 Solving -20 = 80 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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