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-x-\frac{12}{7}=-5\left(x-\frac{20}{7}\right)
Multiply both sides of the equation by 10, the least common multiple of 10,-2.
-x-\frac{12}{7}=-5x-5\left(-\frac{20}{7}\right)
Use the distributive property to multiply -5 by x-\frac{20}{7}.
-x-\frac{12}{7}=-5x+\frac{-5\left(-20\right)}{7}
Express -5\left(-\frac{20}{7}\right) as a single fraction.
-x-\frac{12}{7}=-5x+\frac{100}{7}
Multiply -5 and -20 to get 100.
-x-\frac{12}{7}+5x=\frac{100}{7}
Add 5x to both sides.
-x+5x=\frac{100}{7}+\frac{12}{7}
Add \frac{12}{7} to both sides.
-x+5x=\frac{100+12}{7}
Since \frac{100}{7} and \frac{12}{7} have the same denominator, add them by adding their numerators.
-x+5x=\frac{112}{7}
Add 100 and 12 to get 112.
-x+5x=16
Divide 112 by 7 to get 16.
4x=16
Combine -x and 5x to get 4x.
x=\frac{16}{4}
Divide both sides by 4.
x=4
Divide 16 by 4 to get 4.