Solve for x
x=\frac{1}{5}=0.2
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5x+4=\frac{20}{4}
Divide both sides by 4.
5x+4=5
Divide 20 by 4 to get 5.
5x=5-4
Subtract 4 from both sides.
5x=1
Subtract 4 from 5 to get 1.
x=\frac{1}{5}
Divide both sides by 5.
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