A=a+b/2 h solve for b

Answer 1

I'm not sure where the "h" is supposed to be, so could you please clarify? Is is bh/2 or b/(2h)?

Answer 2

A = (a+b)/2h. Multiply both sides by 2h

(A)(2h)= a+b. Subtract a from both sides

b= (2Ah) -a