Question

4.) Solve for N
7.) Solve for F

Answer 1

See Below

Explanation:

4) t = n -r Solve for n

Add r to both sides

t = n -r

+r +r

t +r = n

Or n = t+r

7)
`(f)/(g)` = h Solve for f

Multiply both sides by g to get rid of fraction

g/1 (f/g) = h(g)

f = hg