SOLUTION: _7v__ - __8v-4___ 8

SOLUTION: _7v - 8v-4___ 8 - 5v-4

Question 321878: _7v__ - __8v-4___
8 - 5v-4
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
I think the problem is,

Use a common denominator

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