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Simplifying 42 * 10 + -8 = 5 Multiply 42 * 10 420 + -8 = 5 Combine like terms: 420 + -8 = 412 412 = 5 Solving 412 = 5 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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