simply solve ...
.07x + .15(x+1500) = 1545
where x is the amount invested at 7%
A woman has money in two accounts. One account pays 7% annual interest, whereas the other pays 15% annual interest. If she has $1,500 more invested at 15% than she does at 7% and her total interest for a year is $1,545, how much does she have in each account?
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