just like to check if ive got these right. if not can you help??

Question

make the subject (q) p(q+r)=2(q-p)ans q=pr+2p/(2-p)

make the subject (p) p+3=qp+r/(2) ans p=r-6/(2-q)

make the subject (r) p(r-q)=2+3(q-r) ans r=2+3q+pq/(p+3)

make the subject (x) y=r-qp/(x) ans
x=r-qp/(y)

Answer 1

i think i've already answered that one,, you re-posted it right?

so there,, =)