Question

Rearrange the formula c=4/a-b to make a the subject

Answer 1

`a = (4 - bc)/(c)`

Explanation:

c = 4/(a - b)

Multiply both sides by a - b.

c(a - b) = 4

ac + bc = 4

ac = 4 - bc

a = (4 - bc)/c

`a = (4 - bc)/(c)`