what is 10(x-3)=9(a)?
\(10\times (x-3)= 9\times (a)\)
\(10x-30=9a\) [ + 30
\(10x=9a-30\) [ / 10
\(x=0.9a-3\) !
\(10x-30=9a\) [ / 9
\(\frac{10}{9}x-\frac{30}{9}=a\) [ turned around
\(a= 1\frac{1}{9}\ x-3\frac{1}{3}\) !
! !
