a man invested $12,000 in two accounts,?

Lester Haschke: Letx = amount invested at 6.5%y = amount invested at 7%Equation 1 - a man invested $12,000 in two accountsx + y = 12000Equation 2 -- his annual income from these two investments is $800. 0.065x + 0.07y = 800>From Equation 1,x = 12000 - y then Equation 2 becomes0.065(12000 - y) + 0.07y = 800780 - 0.065y + 0.07y = 8000.005y = 800 - 780y = $4000 (amount invested at 7 %)Hope this helps....Show more