Solve the equation for
K=9ab+4aA=k/9b+4B=-4/9 + k/9a
so try to isolate a by division and suchK=4a+9abwe use reverse dstributive which is ab+ac=a(b+c) so undistribute a4a+9ab=a(4+9b)k=a(4+9b)divide both sides by (4+9b)\(\frac{k}{4+9b}\)=aa=\(\frac{k}{4+9b}\)