Question 77203
Solve:
{{{A = (1/2)h(B+b)}}} for b. First, multiply both sides of the equation by 2.
{{{2A = h(B+b)}}} Now divide both sides by h.
{{{2A/h = B+b}}} Finally, subtract B from both sides.
{{{(2A/h)-B = b}}} This can be simplified to:
{{{b = (2A-hB)/h}}}