Answer:
B. The equations have the same solution because the second equation can be obtained by multiplying both sides of the first equation by −3.
9x = 120
x=
Step-by-step explanation:
-4/5
r=x/2
a=2x
ar²=-1/16
x^3=-1/8
x=-1/2
sn=a/1-r
=-4/5
0.631
