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Simplifying 7a + 2b + -4a = 0 Reorder the terms: 7a + -4a + 2b = 0 Combine like terms: 7a + -4a = 3a 3a + 2b = 0 Solving 3a + 2b = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2b' to each side of the equation. 3a + 2b + -2b = 0 + -2b Combine like terms: 2b + -2b = 0 3a + 0 = 0 + -2b 3a = 0 + -2b Remove the zero: 3a = -2b Divide each side by '3'. a = -0.6666666667b Simplifying a = -0.6666666667b
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