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Simplifying 7a + 3(2a + -3) = 0 Reorder the terms: 7a + 3(-3 + 2a) = 0 7a + (-3 * 3 + 2a * 3) = 0 7a + (-9 + 6a) = 0 Reorder the terms: -9 + 7a + 6a = 0 Combine like terms: 7a + 6a = 13a -9 + 13a = 0 Solving -9 + 13a = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 13a = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 13a = 0 + 9 13a = 0 + 9 Combine like terms: 0 + 9 = 9 13a = 9 Divide each side by '13'. a = 0.6923076923 Simplifying a = 0.6923076923
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