SOLUTION: I really don't know how to work out this problem....not even to just get started. -2a+18/19 - 4a-5/9 - a+5/9 =0 a=?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I really don't know how to work out this problem....not even to just get started. -2a+18/19 - 4a-5/9 - a+5/9 =0 a=?      Log On


   

Question 295676: I really don't know how to work out this problem....not even to just get started.
-2a+18/19 - 4a-5/9 - a+5/9 =0
a=?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
-2a%2B18%2F19+-+4a-5%2F9+-+a%2B5%2F9+=0
First gather like terms and simplify,
%28-2a-4a-a%29%2B%2818%2F19-cross%285%2F9%29%2Bcross%285%2F9%29%29+=0
%28-7a%29%2B%2818%2F19%29=0
Now move all non-a terms to the right side.
-7a=-18%2F19
Divide both sides by -7.
a=18%2F%287%2A19%29
a=18%2F133