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Simplifying 4a + 20 = 7b Reorder the terms: 20 + 4a = 7b Solving 20 + 4a = 7b Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + 4a = -20 + 7b Combine like terms: 20 + -20 = 0 0 + 4a = -20 + 7b 4a = -20 + 7b Divide each side by '4'. a = -5 + 1.75b Simplifying a = -5 + 1.75b
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