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Simplifying 45 = 2a + 5b Solving 45 = 2a + 5b Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2a' to each side of the equation. 45 + -2a = 2a + -2a + 5b Combine like terms: 2a + -2a = 0 45 + -2a = 0 + 5b 45 + -2a = 5b Add '-45' to each side of the equation. 45 + -45 + -2a = -45 + 5b Combine like terms: 45 + -45 = 0 0 + -2a = -45 + 5b -2a = -45 + 5b Divide each side by '-2'. a = 22.5 + -2.5b Simplifying a = 22.5 + -2.5b
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