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Simplifying 3a + 2 + -5a = -4 Reorder the terms: 2 + 3a + -5a = -4 Combine like terms: 3a + -5a = -2a 2 + -2a = -4 Solving 2 + -2a = -4 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 + -2 + -2a = -4 + -2 Combine like terms: 2 + -2 = 0 0 + -2a = -4 + -2 -2a = -4 + -2 Combine like terms: -4 + -2 = -6 -2a = -6 Divide each side by '-2'. a = 3 Simplifying a = 3
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