Question

4 3
- + X = -
5 7

Answer 1

\[\frac{ 4 }{ 5 }+x=\frac{ 3 }{ 7 }\]Subtract \[\frac{ 4 }{ 5 }\]on both sides. So basically you are subtracting \[\frac{ 3 }{ 7 }-\frac{ 4 }{ 5 }\]Do you know how to do that?