mathz of f.2

a)p/3+11=4[(q/2)+1] * [q]

p/3+11=2q+1
p/3+10=2q

q = (p/3+10)/2

q = (p/3+30/3)/2

q = (p+30)/2


b)(10/u)+(1/v)=9/u *[v]

1/v = -1/u

v = -u

c) w=1-2r/r+2 *[r]

wr+2w = 1-2r

wr+2r = 1-2w

r(w+2) = 1-2w

r = (1-2w)/(w+2)

d) L=(m/n)+(1/m) *[n]

L = (m^2+n)/(mn)

Lmn = m^2+n

Lmn-n = m^2

n(Lm-1) = m^2

n = m^2/(Lm-1)