Question 64557
.07x+.05(11700-x)=733
.07x+585-.05x=733
.02x=733-585
.02x=148
x=148/.02
x=7400 amount invested @ 7%. 
then the remainder is (11700-7400=4300) or 4300 is invested @ 5%
proof
.07*7400+.05*4300=733
518+215=733
733=733