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Add Simplify, If Possible 3r+8r7\frac { 3 } { r } + \frac { 8 } { r - 7 }

Question 87

Multiple Choice

Add. Simplify, if possible.
- 3r+8r7\frac { 3 } { r } + \frac { 8 } { r - 7 }


A) 11r21r(7r) \frac { 11 r - 21 } { r ( 7 - r ) }
B) 21r11r(7r) \frac { 21 r - 11 } { r ( 7 - r ) }
C) 11r21r(r7) \frac { 11 r - 21 } { r ( r - 7 ) }
D) 21r11r(r7) \frac { 21 r - 11 } { r ( r - 7 ) }

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