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Simplifying 2 + 8a + 7b = 3 Solving 2 + 8a + 7b = 3 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + 8a + -2 + 7b = 3 + -2 Reorder the terms: 2 + -2 + 8a + 7b = 3 + -2 Combine like terms: 2 + -2 = 0 0 + 8a + 7b = 3 + -2 8a + 7b = 3 + -2 Combine like terms: 3 + -2 = 1 8a + 7b = 1 Add '-7b' to each side of the equation. 8a + 7b + -7b = 1 + -7b Combine like terms: 7b + -7b = 0 8a + 0 = 1 + -7b 8a = 1 + -7b Divide each side by '8'. a = 0.125 + -0.875b Simplifying a = 0.125 + -0.875b
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