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Simplifying 698.4 = (77.6) * a Solving 698.4 = 77.6a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-77.6a' to each side of the equation. 698.4 + -77.6a = 77.6a + -77.6a Combine like terms: 77.6a + -77.6a = 0.0 698.4 + -77.6a = 0.0 Add '-698.4' to each side of the equation. 698.4 + -698.4 + -77.6a = 0.0 + -698.4 Combine like terms: 698.4 + -698.4 = 0.0 0.0 + -77.6a = 0.0 + -698.4 -77.6a = 0.0 + -698.4 Combine like terms: 0.0 + -698.4 = -698.4 -77.6a = -698.4 Divide each side by '-77.6'. a = 9 Simplifying a = 9
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