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Simplifying -2a + 5b = 80 Solving -2a + 5b = 80 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-5b' to each side of the equation. -2a + 5b + -5b = 80 + -5b Combine like terms: 5b + -5b = 0 -2a + 0 = 80 + -5b -2a = 80 + -5b Divide each side by '-2'. a = -40 + 2.5b Simplifying a = -40 + 2.5b
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