Use the method of elimination to solve the following simultaneous equations.
-5p+q/2=-3/2
2p+3q/2=4
What are the following steps?
-5p+q/2=-3/2......(1)
2p+3q/2=4......(2)
(1)x2
(-5p)x2+(q/2)x2=(-3/2)x2
-10p+q=-3
(2)x5
(2p)x5+(3q/2)x5=(4)x5
10p+15q/2=20
(-10p+q)+(10p+15q/2)=-3+20
16q/2=17
↓↓↓ ??