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Simplifying 2a + 3b + 5a + -7b = 0 Reorder the terms: 2a + 5a + 3b + -7b = 0 Combine like terms: 2a + 5a = 7a 7a + 3b + -7b = 0 Combine like terms: 3b + -7b = -4b 7a + -4b = 0 Solving 7a + -4b = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '4b' to each side of the equation. 7a + -4b + 4b = 0 + 4b Combine like terms: -4b + 4b = 0 7a + 0 = 0 + 4b 7a = 0 + 4b Remove the zero: 7a = 4b Divide each side by '7'. a = 0.5714285714b Simplifying a = 0.5714285714b
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