Solve the following equation:

3a - 4 = 2(4-a)

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Solution

$3 a - 4 = 2 (4 - a) \Rightarrow 3 a - 4 = 8 - 2 a \Rightarrow 3 a + 2 a = 8 + 4 \Rightarrow 5 a = 12 \Rightarrow a = \frac{12}{5} \Rightarrow a = 2.4$

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