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Simplifying X + -2(5) = X + 7 Multiply -2 * 5 X + -10 = X + 7 Reorder the terms: -10 + X = X + 7 Reorder the terms: -10 + X = 7 + X Add '-1X' to each side of the equation. -10 + X + -1X = 7 + X + -1X Combine like terms: X + -1X = 0 -10 + 0 = 7 + X + -1X -10 = 7 + X + -1X Combine like terms: X + -1X = 0 -10 = 7 + 0 -10 = 7 Solving -10 = 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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