Solve the equation 4(2x) = 60 - 12x for x.

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Solution

$4 (2 x) = 60 - 12 x \Rightarrow 8 x = 60 - 12 x \Rightarrow 8 x + 12 x = 60 \Rightarrow 20 x = 60 \Rightarrow x = 3$

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