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Simplifying 7a + 4b + 3 = 23 Reorder the terms: 3 + 7a + 4b = 23 Solving 3 + 7a + 4b = 23 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + 7a + -3 + 4b = 23 + -3 Reorder the terms: 3 + -3 + 7a + 4b = 23 + -3 Combine like terms: 3 + -3 = 0 0 + 7a + 4b = 23 + -3 7a + 4b = 23 + -3 Combine like terms: 23 + -3 = 20 7a + 4b = 20 Add '-4b' to each side of the equation. 7a + 4b + -4b = 20 + -4b Combine like terms: 4b + -4b = 0 7a + 0 = 20 + -4b 7a = 20 + -4b Divide each side by '7'. a = 2.857142857 + -0.5714285714b Simplifying a = 2.857142857 + -0.5714285714b
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