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Simplifying 2a + 3 = 4 + 7a Reorder the terms: 3 + 2a = 4 + 7a Solving 3 + 2a = 4 + 7a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-7a' to each side of the equation. 3 + 2a + -7a = 4 + 7a + -7a Combine like terms: 2a + -7a = -5a 3 + -5a = 4 + 7a + -7a Combine like terms: 7a + -7a = 0 3 + -5a = 4 + 0 3 + -5a = 4 Add '-3' to each side of the equation. 3 + -3 + -5a = 4 + -3 Combine like terms: 3 + -3 = 0 0 + -5a = 4 + -3 -5a = 4 + -3 Combine like terms: 4 + -3 = 1 -5a = 1 Divide each side by '-5'. a = -0.2 Simplifying a = -0.2
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