Solve for x
x=-4.1
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2x=-12.4+4.2
Add 4.2 to both sides.
2x=-8.2
Add -12.4 and 4.2 to get -8.2.
x=\frac{-8.2}{2}
Divide both sides by 2.
x=\frac{-82}{20}
Expand \frac{-8.2}{2} by multiplying both numerator and the denominator by 10.
x=-\frac{41}{10}
Reduce the fraction \frac{-82}{20} to lowest terms by extracting and canceling out 2.
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