A.write the missing term to make the rational expression equal.
1. 1/2 = ?/30x
2. m-2/m-3 = ?/2(m-3)
3. ?/2p2 -98 = 5/2p+14

B. add or subtract. write each answer in lowest term.
1.)3+x/4 + 7x/4
2.)x+1/3x-4 - 2x-3/2+3x
3.)x+2/5x-15 - 8-3x/3x-9​