Solve for x
x=-\frac{2}{3}\approx -0.666666667
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3x=19-21
Subtract 21 from both sides.
3x=-2
Subtract 21 from 19 to get -2.
x=\frac{-2}{3}
Divide both sides by 3.
x=-\frac{2}{3}
Fraction \frac{-2}{3} can be rewritten as -\frac{2}{3} by extracting the negative sign.
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