Question

Px + qx = r
solve for q

Answer 1

Simplify both sides of equation and then isolate the variable your answer should be

q =
`(r)/(2x)`

Hopefully this helps ^0^ Mark Brain

Answer 2

q = (r - px) / x

or you could write it as q = (r/x) - p

Explanation:

px + qx = r

qx = r - px

q = (r - px) / x