Question

Solve for h: A=1/2 b(h+y)

Answer 1

\[
A =\frac 1 2 b(h+y)
\]
Is this your problem?

Answer 2

\[
2 A= bh +by\\
bh = 2 A -by\\
h =\frac {2 A -by}b=\frac {2A}b -y
\]

Answer 3

wow thank you so much!