Question 85264
.08*X=.06(15000-X)+200
.08X=900-.06X+200
.08X+.06X=1100
.14X=1100
X=1100/.14
X=7857.14 INVESTED @ 8%. 
15000-7857.14=7142.86 INVESTED @ 6%. 
PROOF
.08*7857.14=.06*7142.86+200
628.57=428.57+200
628.57=628.57