Solve s=m/4 (a+h) for h

h = (m/4 - as) / s

Step-by-step explanation:

s = m / 4 (a+h)

(a+h) · s = m/4 >multiplied (a+h) on both side

as + hs = m/4 >distributed the s to (a+h)

hs = m/4 - as >subtracted as on both side

h = (m/4 - as) / s >divided s on both side