How do you solve #\frac { 9} { 7x + 28} = \frac { 5} { x + 4} - \frac { 2} { 7}#?
1 Answer
Mar 26, 2017
the answer will be +4
Explanation:
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Now, if x= -4 then the divisor's value will be 0 which is undefined.So, the answer is