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Simplifying 3a * 42 = 124 Reorder the terms for easier multiplication: 3 * 42a = 124 Multiply 3 * 42 126a = 124 Solving 126a = 124 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Divide each side by '126'. a = 0.9841269841 Simplifying a = 0.9841269841
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