document.write( "Question 900219: You invested $7000 in two accounts paying 7% and 6% annual interest, respectively. If the total interest earned for the year was $433, Let x denote the amount of money invested at 7%. Find an expression in terms of x for the amount invested at 6%. \n" ); document.write( "
Algebra.Com's Answer #545832 by richwmiller(17219)\"\" \"About 
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x+y=7000,
\n" ); document.write( "0.07*x+0.06*y=433
\n" ); document.write( "x=7000-y
\n" ); document.write( "0.07*(7000-y)+0.06*y=433
\n" ); document.write( "490-0.07y+0.06*y=433
\n" ); document.write( "-0.01*y=-57
\n" ); document.write( "y= 5700
\n" ); document.write( "x=7000-y
\n" ); document.write( "x=1300
\n" ); document.write( "check
\n" ); document.write( "0.07*1300+0.06*5700=433
\n" ); document.write( "91+342=433
\n" ); document.write( "433=433
\n" ); document.write( "ok
\n" ); document.write( "
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