Solve for x
x=\frac{21}{410}\approx 0.051219512
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82x=0.2+4
Add 4 to both sides.
82x=4.2
Add 0.2 and 4 to get 4.2.
x=\frac{4.2}{82}
Divide both sides by 82.
x=\frac{42}{820}
Expand \frac{4.2}{82} by multiplying both numerator and the denominator by 10.
x=\frac{21}{410}
Reduce the fraction \frac{42}{820} to lowest terms by extracting and canceling out 2.
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