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Simplifying 7a + -3.9 = 6.2 Reorder the terms: -3.9 + 7a = 6.2 Solving -3.9 + 7a = 6.2 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '3.9' to each side of the equation. -3.9 + 3.9 + 7a = 6.2 + 3.9 Combine like terms: -3.9 + 3.9 = 0.0 0.0 + 7a = 6.2 + 3.9 7a = 6.2 + 3.9 Combine like terms: 6.2 + 3.9 = 10.1 7a = 10.1 Divide each side by '7'. a = 1.442857143 Simplifying a = 1.442857143
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