Question

B=(s+k/2)h solve for s

Answer 1

B = (s + k/2)h

[flip if wanted]

h(s + k/2) = B

h*s h*k

h/s + g/2 = B

g/2 = P

h/s + P = B

-P -P

h/s*h [<-cancel out] B*h

J = s

Explanation:

There were no numbers so I substituted them for letters :)