Solve for x
x = \frac{12}{5} = 2\frac{2}{5} = 2.4
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x+4+4x=16
Multiply both sides of the equation by 2.
5x+4=16
Combine x and 4x to get 5x.
5x=16-4
Subtract 4 from both sides.
5x=12
Subtract 4 from 16 to get 12.
x=\frac{12}{5}
Divide both sides by 5.
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