Question

M=6(p+q) solve for q

Answer 1

Ok, so m=6(p+q), and solve for q, so it will be like this:
m=6(p+q)
m=6p+6q
-6p -6p
m-6p=6q
*1/6 *1/6
1/6m-p=q, or you can write it as q=1/6m-p.