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\frac{1}{5}x-2=\frac{1}{2}x+\frac{1}{2}\left(-1\right)
Use the distributive property to multiply \frac{1}{2} by x-1.
\frac{1}{5}x-2=\frac{1}{2}x-\frac{1}{2}
Multiply \frac{1}{2} and -1 to get -\frac{1}{2}.
\frac{1}{5}x-2-\frac{1}{2}x=-\frac{1}{2}
Subtract \frac{1}{2}x from both sides.
-\frac{3}{10}x-2=-\frac{1}{2}
Combine \frac{1}{5}x and -\frac{1}{2}x to get -\frac{3}{10}x.
-\frac{3}{10}x=-\frac{1}{2}+2
Add 2 to both sides.
-\frac{3}{10}x=-\frac{1}{2}+\frac{4}{2}
Convert 2 to fraction \frac{4}{2}.
-\frac{3}{10}x=\frac{-1+4}{2}
Since -\frac{1}{2} and \frac{4}{2} have the same denominator, add them by adding their numerators.
-\frac{3}{10}x=\frac{3}{2}
Add -1 and 4 to get 3.
x=\frac{3}{2}\left(-\frac{10}{3}\right)
Multiply both sides by -\frac{10}{3}, the reciprocal of -\frac{3}{10}.
x=\frac{3\left(-10\right)}{2\times 3}
Multiply \frac{3}{2} times -\frac{10}{3} by multiplying numerator times numerator and denominator times denominator.
x=\frac{-10}{2}
Cancel out 3 in both numerator and denominator.
x=-5
Divide -10 by 2 to get -5.