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Simplifying 40a + -30b = 0 Solving 40a + -30b = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '30b' to each side of the equation. 40a + -30b + 30b = 0 + 30b Combine like terms: -30b + 30b = 0 40a + 0 = 0 + 30b 40a = 0 + 30b Remove the zero: 40a = 30b Divide each side by '40'. a = 0.75b Simplifying a = 0.75b
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