Find equations of the tangent lines to the curve $y = \frac { x - 10 } { x + 10 }$ that are parallel to the line $x - y = 10$
A) $x - y = - 4.5$
B) $x - y = - 2$
C) $x - y = - 12.5$
D) $x - y = - 19.75$
E) $x - y = - 15$ .

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The Answer of Find equations of the tangent lines to the curve $y = \frac { x - 10 } { x + 10 }$ that are parallel to the line $x - y = 10$
A) $x - y = - 4.5$
B) $x - y = - 2$
C) $x - y = - 12.5$
D) $x - y = - 19.75$
E) $x - y = - 15$ .

Find Equations of the Tangent Lines to the Curve y=x−10x+10y = \frac { x - 10 } { x + 10 }y=x+10x−10​

Find Equations of the Tangent Lines to the Curve $y = \frac { x - 10 } { x + 10 }$