Question 435169
Solve the equation for B. 

{{{A = .5h(B + b)}}}

{{{A = 0.5h*B + .5hb}}}

{{{A -0.5h*b = .5hB }}}


{{{(A -.5h*b)/.5h = B }}}

{{{(A/.5h) - (.5hb/.5h) = B }}}

{{{A/.5h - 1 = B }}}