Question 73429
{{{(1/3)(b-4)=1}}}
{{{(1/3)*b-(1/3)4=1}}}Distribute the 1/3
{{{(1/3)*b+cross(-4/3+4/3)=1+4/3}}}Add 4/3 to both sides
{{{(1/3)*b=3/3+4/3}}}Find common denominator
{{{(1/3)*b=7/3}}}Add fractions
{{{cross((3/1)(1/3))*b=(7/cross(3))(cross(3)/1)}}}Multiply both sides by 3
{{{b=7}}}
Check:
{{{(1/3)(7-4)=1}}}Plug in 7 for b
{{{cross((1/3)(3))=1}}}
{{{1=1}}}