Algebraic Fractions, SMB-045 Solve `(2a-5)/3-(a+7)/5=3` for `a`. (3 marks) Show Answers Only `a=13` Show Worked Solution `(2a-5)/3-(a+7)/5` `=3` `(5(2a-5))/15-(3(a+7))/15` `=3` `5(2a-5)-3(a+7)` `=45` `10a-25-3a-21` `=45` `7a` `=91` `a` `=13`