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\frac{2}{5}x+\frac{2}{5}\left(-5\right)=5\left(x-\frac{2}{5}\right)
Use the distributive property to multiply \frac{2}{5} by x-5.
\frac{2}{5}x+\frac{2\left(-5\right)}{5}=5\left(x-\frac{2}{5}\right)
Express \frac{2}{5}\left(-5\right) as a single fraction.
\frac{2}{5}x+\frac{-10}{5}=5\left(x-\frac{2}{5}\right)
Multiply 2 and -5 to get -10.
\frac{2}{5}x-2=5\left(x-\frac{2}{5}\right)
Divide -10 by 5 to get -2.
\frac{2}{5}x-2=5x+5\left(-\frac{2}{5}\right)
Use the distributive property to multiply 5 by x-\frac{2}{5}.
\frac{2}{5}x-2=5x-2
Cancel out 5 and 5.
\frac{2}{5}x-2-5x=-2
Subtract 5x from both sides.
-\frac{23}{5}x-2=-2
Combine \frac{2}{5}x and -5x to get -\frac{23}{5}x.
-\frac{23}{5}x=-2+2
Add 2 to both sides.
-\frac{23}{5}x=0
Add -2 and 2 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -\frac{23}{5} is not equal to 0, x must be equal to 0.