Answer:
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