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Simplifying 7 * 10 + -2 = 1 Multiply 7 * 10 70 + -2 = 1 Combine like terms: 70 + -2 = 68 68 = 1 Solving 68 = 1 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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