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Simplifying x2 + 144 = x2 + 49 Reorder the terms: 144 + x2 = x2 + 49 Reorder the terms: 144 + x2 = 49 + x2 Add '-1x2' to each side of the equation. 144 + x2 + -1x2 = 49 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 144 + 0 = 49 + x2 + -1x2 144 = 49 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 144 = 49 + 0 144 = 49 Solving 144 = 49 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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